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Heat Pump Fault Finder AU

Verified shared codeset

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

DISPLAY codeset

NA31/NA32 integrated controller display

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

In the display order below, the held evidence set runs from Neopower NA31-210A to SolarBuild NA32-260A; its published labels start with E05 and end with E29. 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.

  • NeopowerNA31-210A
  • SolarBuildNA31-210A
  • NeopowerNA32-260A
  • SolarBuildNA32-260A

Published codes

Fault code

E05

Red — urgent safety concern

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

Documented as Refrigerant system high pressure protection.

A licensed technician confirms the actual cause.

View the canonical E05 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.

A licensed technician confirms the actual cause.

View the canonical E09 result

Fault code

E12

Red — urgent safety concern

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

Documented as Exhaust temperature too high.

A licensed technician confirms the actual cause.

View the canonical E12 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 Tank temperature sensor failure.

A licensed technician confirms the actual cause.

View the canonical E14 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 temperature sensor failure.

A licensed technician confirms the actual cause.

View the canonical E16 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.

A licensed technician confirms the actual cause.

View the canonical E18 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

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.

A licensed technician confirms the actual cause.

View the canonical E29 result

Official source

Where this result comes from

Neopower. Neopower NA31-210A / NA32-260A Installation and Operation Manual. Retrieved .

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