Verified shared codeset

Every result below passed dual extraction agreement and source-anchor checks.

DISPLAY codeset

Enviroflo 215L and 265L controller display

122 documented fault codes, shared only by the compatible models listed here.

In the display order below, the held evidence set runs from Rinnai EHPS215VM to Rinnai EHPS265VMT; its published labels start with E01 and end with HHE. The source and each model-mapping record remain visible on this page.

Compatible models

This result is published only for the models explicitly covered by the source evidence.

RinnaiEHPS215VM
RinnaiEHPS265VMT

Published codes

Fault code

E01

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as phases failure.

A licensed technician confirms the actual cause.

View the canonical E01 result

Fault code

E02

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as lack of phases.

A licensed technician confirms the actual cause.

View the canonical E02 result

Fault code

E03

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as water flow switch failure.

A licensed technician confirms the actual cause.

View the canonical E03 result

Fault code

E05

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as high pressure switch protection 1.

A licensed technician confirms the actual cause.

View the canonical E05 result

Fault code

E06

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as low pressure switch protection 1.

A licensed technician confirms the actual cause.

View the canonical E06 result

Fault code

E07

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as high pressure switch protection 2.

A licensed technician confirms the actual cause.

View the canonical E07 result

Fault code

E08

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as low pressure switch protection 2.

A licensed technician confirms the actual cause.

View the canonical E08 result

Fault code

E09

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as communication failure between wire controller and pcb.

A licensed technician confirms the actual cause.

View the canonical E09 result

Fault code

E10

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as water flow switch failure (indoor).

A licensed technician confirms the actual cause.

View the canonical E10 result

Fault code

E11

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as inverse time protection.

A licensed technician confirms the actual cause.

View the canonical E11 result

Fault code

E12

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as high exhaust temperature protection 1.

A licensed technician confirms the actual cause.

View the canonical E12 result

Fault code

E13

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as high exhaust temperature protection 2.

A licensed technician confirms the actual cause.

View the canonical E13 result

Fault code

E14

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as water tank temp. sensor failure (lower temp. sensor) for monobloc.

A licensed technician confirms the actual cause.

View the canonical E14 result

Fault code

E15

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as water inlet temperature sensor failure.

A licensed technician confirms the actual cause.

View the canonical E15 result

Fault code

E16

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as coil (evaporator) temp. sensor failure 1.

A licensed technician confirms the actual cause.

View the canonical E16 result

Fault code

E17

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as coil (evaporator) temp. sensor failure 2.

A licensed technician confirms the actual cause.

View the canonical E17 result

Fault code

E18

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as exhaust temperature sensor failure 1.

A licensed technician confirms the actual cause.

View the canonical E18 result

Fault code

E19

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as exhaust temperature sensor failure 2.

A licensed technician confirms the actual cause.

View the canonical E19 result

Fault code

E20

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as indoor temperature sensor failure.

A licensed technician confirms the actual cause.

View the canonical E20 result

Fault code

E21

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as ambient temperature sensor failure.

A licensed technician confirms the actual cause.

View the canonical E21 result

Fault code

E22

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as water return temp. sensor failure (reserved for water return pump).

A licensed technician confirms the actual cause.

View the canonical E22 result

Fault code

E23

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as water outlet temp. too low alarm.

A licensed technician confirms the actual cause.

View the canonical E23 result

Fault code

E25

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as water level switch failure.

A licensed technician confirms the actual cause.

View the canonical E25 result

Fault code

E26

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as anti-freeze temperature sensor failure.

A licensed technician confirms the actual cause.

View the canonical E26 result

Fault code

E27

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as water outlet temperature sensor failure 1.

A licensed technician confirms the actual cause.

View the canonical E27 result

Fault code

E28

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as 4 way valve 2 failed to reversal 2.

A licensed technician confirms the actual cause.

View the canonical E28 result

Fault code

E29

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as suction temperature sensor failure 1.

A licensed technician confirms the actual cause.

View the canonical E29 result

Fault code

E30

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as suction temperature sensor failure 2.

A licensed technician confirms the actual cause.

View the canonical E30 result

Fault code

E31

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as water pressure switch failure.

A licensed technician confirms the actual cause.

View the canonical E31 result

Fault code

E32

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as water outlet temp. too high protection.

A licensed technician confirms the actual cause.

View the canonical E32 result

Fault code

E33

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as high pressure sensor failure 1.

A licensed technician confirms the actual cause.

View the canonical E33 result

Fault code

E34

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as low pressure sensor failure 1.

A licensed technician confirms the actual cause.

View the canonical E34 result

Fault code

E35

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as high compressor current protection 1.

A licensed technician confirms the actual cause.

View the canonical E35 result

Fault code

E36

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as high compressor current protection 2.

A licensed technician confirms the actual cause.

View the canonical E36 result

Fault code

E37

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as larger temperature difference protection between inlet and outlet.

A licensed technician confirms the actual cause.

View the canonical E37 result

Fault code

E38

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as dc fan motor failure 1.

A licensed technician confirms the actual cause.

View the canonical E38 result

Fault code

E39

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as dc fan motor failure 2.

A licensed technician confirms the actual cause.

View the canonical E39 result

Fault code

E40

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as dc fan motor failure 3.

A licensed technician confirms the actual cause.

View the canonical E40 result

Fault code

E41

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as dc fan motor failure 4.

A licensed technician confirms the actual cause.

View the canonical E41 result

Fault code

E42

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as cooling mode coil temperature sensor failure 1.

A licensed technician confirms the actual cause.

View the canonical E42 result

Fault code

E43

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as cooling mode coil temperature sensor failure 2.

A licensed technician confirms the actual cause.

View the canonical E43 result

Fault code

E44

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as ambient temp. low protection.

A licensed technician confirms the actual cause.

View the canonical E44 result

Fault code

E45

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as high pressure sensor failure 2.

A licensed technician confirms the actual cause.

View the canonical E45 result

Fault code

E46

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as low pressure sensor failure 2.

A licensed technician confirms the actual cause.

View the canonical E46 result

Fault code

E47

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as heat recovery exchanger inlet temperature sensor failure 1.

A licensed technician confirms the actual cause.

View the canonical E47 result

Fault code

E48

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as heat recovery exchanger inlet temperature sensor failure 2.

A licensed technician confirms the actual cause.

View the canonical E48 result

Fault code

E49

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as heat recovery exchanger outlet temperature sensor failure 1.

A licensed technician confirms the actual cause.

View the canonical E49 result

Fault code

E50

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as heat recovery exchanger outlet temperature sensor failure 2.

A licensed technician confirms the actual cause.

View the canonical E50 result

Fault code

E51

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as high pressure protection 1.

A licensed technician confirms the actual cause.

View the canonical E51 result

Fault code

E52

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as low pressure protection 1.

A licensed technician confirms the actual cause.

View the canonical E52 result

Fault code

E53

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as high pressure protection 2.

A licensed technician confirms the actual cause.

View the canonical E53 result

Fault code

E54

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as low pressure protection 2.

A licensed technician confirms the actual cause.

View the canonical E54 result

Fault code

E55

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as communication failure between main pcb/ expansion valve/water pump etc.

A licensed technician confirms the actual cause.

View the canonical E55 result

Fault code

E56

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as suction temperature sensor failure 3.

A licensed technician confirms the actual cause.

View the canonical E56 result

Fault code

E57

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as suction temperature sensor failure 4.

A licensed technician confirms the actual cause.

View the canonical E57 result

Fault code

E58

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as outdoor coil temperature sensor failure 3.

A licensed technician confirms the actual cause.

View the canonical E58 result

Fault code

E59

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as outdoor coil temperature sensor failure 4.

A licensed technician confirms the actual cause.

View the canonical E59 result

Fault code

E60

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as exhaust temperature sensor failure 3.

A licensed technician confirms the actual cause.

View the canonical E60 result

Fault code

E61

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as exhaust temperature sensor failure 4.

A licensed technician confirms the actual cause.

View the canonical E61 result

Fault code

E62

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as coil temperature sensor failure in cooling mode 3.

A licensed technician confirms the actual cause.

View the canonical E62 result

Fault code

E63

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as coil temperature sensor failure in cooling mode 4.

A licensed technician confirms the actual cause.

View the canonical E63 result

Fault code

E64

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as high exhaust temperature protection 3.

A licensed technician confirms the actual cause.

View the canonical E64 result

Fault code

E65

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as high exhaust temperature protection 4.

A licensed technician confirms the actual cause.

View the canonical E65 result

Fault code

E66

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as compressor current too high protection 3.

A licensed technician confirms the actual cause.

View the canonical E66 result

Fault code

E67

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as compressor current too high protection 4.

A licensed technician confirms the actual cause.

View the canonical E67 result

Fault code

E68

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as high pressure switch protection 3.

A licensed technician confirms the actual cause.

View the canonical E68 result

Fault code

E69

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as high pressure switch protection 4.

A licensed technician confirms the actual cause.

View the canonical E69 result

Fault code

E70

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as low pressure switch protection 3.

A licensed technician confirms the actual cause.

View the canonical E70 result

Fault code

E71

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as low pressure switch protection 4.

A licensed technician confirms the actual cause.

View the canonical E71 result

Fault code

E72

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as heat recovery exchanger inlet temperature sensor failure 3.

A licensed technician confirms the actual cause.

View the canonical E72 result

Fault code

E73

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as heat recovery exchanger inlet temperature sensor failure 4.

A licensed technician confirms the actual cause.

View the canonical E73 result

Fault code

E74

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as heat recovery exchanger outlet temperature sensor failure 3.

A licensed technician confirms the actual cause.

View the canonical E74 result

Fault code

E75

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as heat recovery exchanger outlet temperature sensor failure 4.

A licensed technician confirms the actual cause.

View the canonical E75 result

Fault code

E76

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as low pressure sensor failure 3.

A licensed technician confirms the actual cause.

View the canonical E76 result

Fault code

E77

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as low pressure sensor failure 4.

A licensed technician confirms the actual cause.

View the canonical E77 result

Fault code

E78

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as the external phase sequence expansion board failure.

A licensed technician confirms the actual cause.

View the canonical E78 result

Fault code

E79

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as 4 way valve failed to reversal 3.

A licensed technician confirms the actual cause.

View the canonical E79 result

Fault code

E80

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as power input failure (connect the 3 phase power to single phase unit).

A licensed technician confirms the actual cause.

View the canonical E80 result

Fault code

E81

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as high pressure protection 3.

A licensed technician confirms the actual cause.

View the canonical E81 result

Fault code

E82

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as low pressure protection 3.

A licensed technician confirms the actual cause.

View the canonical E82 result

Fault code

E83

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as high pressure sensor failure 3.

A licensed technician confirms the actual cause.

View the canonical E83 result

Fault code

E84

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as high pressure sensor failure 4.

A licensed technician confirms the actual cause.

View the canonical E84 result

Fault code

E85

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as 4 way valve failed to reversal 4.

A licensed technician confirms the actual cause.

View the canonical E85 result

Fault code

E86

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as high pressure protection 4.

A licensed technician confirms the actual cause.

View the canonical E86 result

Fault code

E87

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as low pressure protection 4.

A licensed technician confirms the actual cause.

View the canonical E87 result

Fault code

E88

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as inverter module protection 1.

A licensed technician confirms the actual cause.

View the canonical E88 result

Fault code

E89

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as inverter module protection 2.

A licensed technician confirms the actual cause.

View the canonical E89 result

Fault code

E90

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as inverter module protection 3.

A licensed technician confirms the actual cause.

View the canonical E90 result

Fault code

E91

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as inverter module protection 4.

A licensed technician confirms the actual cause.

View the canonical E91 result

Fault code

E92

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as eeprom error (outdoor unit).

A licensed technician confirms the actual cause.

View the canonical E92 result

Fault code

E93

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as emergency switch failure and protection.

A licensed technician confirms the actual cause.

View the canonical E93 result

Fault code

E94

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as water pump failure 1.

A licensed technician confirms the actual cause.

View the canonical E94 result

Fault code

E95

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as water pump failure 2.

A licensed technician confirms the actual cause.

View the canonical E95 result

Fault code

E96

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as communication failed between the compressor drive and pcb 1.

A licensed technician confirms the actual cause.

View the canonical E96 result

Fault code

E97

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as communication failed between the compressor drive and pcb 2.

A licensed technician confirms the actual cause.

View the canonical E97 result

Fault code

E98

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as communication failed between the fan motor drive and pcb 3.

A licensed technician confirms the actual cause.

View the canonical E98 result

Fault code

E99

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as communication failed between the fan motor drive and pcb 4.

A licensed technician confirms the actual cause.

View the canonical E99 result

Fault code

EA0

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as solar thermal circulation temperature sensor failure.

A licensed technician confirms the actual cause.

View the canonical EA0 result

Fault code

EA1

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as network model error.

A licensed technician confirms the actual cause.

View the canonical EA1 result

Fault code

EA2

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as auxiliary heating temperature sensor failure for dhw.

A licensed technician confirms the actual cause.

View the canonical EA2 result

Fault code

EA3

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as auxiliary heating temperature sensor failure for house heating.

A licensed technician confirms the actual cause.

View the canonical EA3 result

Fault code

EA4

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as auxiliary heating temperature sensor failure for buffer tank in heating system.

A licensed technician confirms the actual cause.

View the canonical EA4 result

Fault code

EA5

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as water outlet temperature sensor failure.

A licensed technician confirms the actual cause.

View the canonical EA5 result

Fault code

EA6

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as high voltage protection.

A licensed technician confirms the actual cause.

View the canonical EA6 result

Fault code

EA7

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as low voltage protection.

A licensed technician confirms the actual cause.

View the canonical EA7 result

Fault code

EA8

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as upper heating element failure.

A licensed technician confirms the actual cause.

View the canonical EA8 result

Fault code

EA9

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as lower heating element failure.

A licensed technician confirms the actual cause.

View the canonical EA9 result

Fault code

EB0

Red — urgent safety concern

Red means the documented fault involves safety-critical, leak, electrical, refrigerant, lockout or overheat language.

Documented as water tank leakage protection.

A licensed technician confirms the actual cause.

View the canonical EB0 result

Fault code

EB1

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as condensate water block protection.

A licensed technician confirms the actual cause.

View the canonical EB1 result

Fault code

EB2

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as compressor failure.

A licensed technician confirms the actual cause.

View the canonical EB2 result

Fault code

EB3

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as electric ball valve failure.

A licensed technician confirms the actual cause.

View the canonical EB3 result

Fault code

EB4

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as eeprom failure.

A licensed technician confirms the actual cause.

View the canonical EB4 result

Fault code

EB5

Red — urgent safety concern

Red means the documented fault involves safety-critical, leak, electrical, refrigerant, lockout or overheat language.

Documented as electric leakage protection.

A licensed technician confirms the actual cause.

View the canonical EB5 result

Fault code

EB6

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as zone 1 temperature sensor failure.

A licensed technician confirms the actual cause.

View the canonical EB6 result

Fault code

EB7

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as anti-freeze switch failure 1.

A licensed technician confirms the actual cause.

View the canonical EB7 result

Fault code

EB8

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as anti-freeze switch failure 2.

A licensed technician confirms the actual cause.

View the canonical EB8 result

Fault code

EB9

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as heating regenerator temperature sensor failure.

A licensed technician confirms the actual cause.

View the canonical EB9 result

Fault code

EC0

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as low water flow rate protection.

A licensed technician confirms the actual cause.

View the canonical EC0 result

Fault code

EC1

Red — urgent safety concern

Red means the documented fault involves safety-critical, leak, electrical, refrigerant, lockout or overheat language.

Documented as gas leakage sensor failure.

A licensed technician confirms the actual cause.

View the canonical EC1 result

Fault code

EC2

Red — urgent safety concern

Red means the documented fault involves safety-critical, leak, electrical, refrigerant, lockout or overheat language.

Documented as gas leakage protection.

A licensed technician confirms the actual cause.

View the canonical EC2 result

Fault code

EC3

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as gas sensor service life expired.

A licensed technician confirms the actual cause.

View the canonical EC3 result

Fault code

HHE

Amber — service attention

Amber means the fault needs attention; contact the manufacturer or a licensed technician if it persists.

Documented as lock failure.

A licensed technician confirms the actual cause.

View the canonical HHE result

Official source

Where this result comes from

Rinnai Australia. Rinnai Enviroflo 215L and 265L Heat Pump Error Codes. Retrieved 29 August 2026.

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