Verified shared codeset

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

LED_BLINK codeset

Enviroflo S 5.0kW remote-controller flashing codes

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

In the display order below, the held evidence set runs from Rinnai KSHP250M24R50 to Rinnai KSHP315M24R50H; its published labels start with 038 and end with A28. 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.

RinnaiKSHP250M24R50
RinnaiKSHP250M24R50H
RinnaiKSHP315M24R50
RinnaiKSHP315M24R50H

Published codes

Fault code

038

Amber — service attention

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

Documented as tank not filled, abnormal heating.

A licensed technician confirms the actual cause.

View the canonical 038 result

Fault code

109

Amber — service attention

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

Documented as communication fault between remote.

A licensed technician confirms the actual cause.

View the canonical 109 result

Fault code

148

Amber — service attention

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

Documented as heat pump outlet high temperature fault.

A licensed technician confirms the actual cause.

View the canonical 148 result

Fault code

149

Amber — service attention

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

Documented as tank is filled with high temperature water.

A licensed technician confirms the actual cause.

View the canonical 149 result

Fault code

218

Amber — service attention

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

Documented as dc fan motor locked.

A licensed technician confirms the actual cause.

View the canonical 218 result

Fault code

268

Amber — service attention

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

Documented as heat pump discharge high temperature.

A licensed technician confirms the actual cause.

View the canonical 268 result

Fault code

279

Amber — service attention

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

Documented as tank upper sensor fault.

A licensed technician confirms the actual cause.

View the canonical 279 result

Fault code

308

Amber — service attention

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

Documented as communication fault between inverter.

A licensed technician confirms the actual cause.

View the canonical 308 result

Fault code

338

Amber — service attention

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

Documented as heat pump evaporator sensor fault.

A licensed technician confirms the actual cause.

View the canonical 338 result

Fault code

358

Amber — service attention

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

Documented as heat pump discharge sensor fault.

A licensed technician confirms the actual cause.

View the canonical 358 result

Fault code

368

Amber — service attention

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

Documented as heat pump condenser fault.

A licensed technician confirms the actual cause.

View the canonical 368 result

Fault code

518

Amber — service attention

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

Documented as heat pump compressor fault.

A licensed technician confirms the actual cause.

View the canonical 518 result

Fault code

528

Amber — service attention

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

Documented as heat pump input current fault.

A licensed technician confirms the actual cause.

View the canonical 528 result

Fault code

538

Amber — service attention

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

Documented as heat pump compressor start-up fault.

A licensed technician confirms the actual cause.

View the canonical 538 result

Fault code

548

Amber — service attention

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

Documented as heat pump dc overcurrent fault.

A licensed technician confirms the actual cause.

View the canonical 548 result

Fault code

648

Amber — service attention

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

Documented as circulation pump rotation fault.

A licensed technician confirms the actual cause.

View the canonical 648 result

Fault code

709

Amber — service attention

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

Documented as system pcb fault.

A licensed technician confirms the actual cause.

View the canonical 709 result

Fault code

729

Amber — service attention

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

Documented as element heater circuit fault.

A licensed technician confirms the actual cause.

View the canonical 729 result

Fault code

768

Amber — service attention

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

Documented as communication fault on inverter pcb.

A licensed technician confirms the actual cause.

View the canonical 768 result

Fault code

778

Amber — service attention

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

Documented as heat pump pam circuit voltage fault.

A licensed technician confirms the actual cause.

View the canonical 778 result

Fault code

798

Amber — service attention

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

Documented as power supply voltage fault.

A licensed technician confirms the actual cause.

View the canonical 798 result

Fault code

968

Amber — service attention

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

Documented as pump inlet not filled, abnormal circulation.

A licensed technician confirms the actual cause.

View the canonical 968 result

Fault code

A18

Amber — service attention

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

Documented as heat pump water inlet sensor fault.

A licensed technician confirms the actual cause.

View the canonical A18 result

Fault code

A19

Amber — service attention

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

Documented as tank bottom sensor fault.

A licensed technician confirms the actual cause.

View the canonical A19 result

Fault code

A28

Amber — service attention

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

Documented as heat pump water outlet sensor fault.

A licensed technician confirms the actual cause.

View the canonical A28 result

Official source

Where this result comes from

Rinnai Australia. Rinnai Enviroflo S 5.0kW Operation and Installation Manual. Retrieved 29 August 2026.

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