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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

LE-series LED operation-panel display

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

In the display order below, the held evidence set runs from Eco Alliance ECO-215LEB to Eco Alliance ECO-260LS; its published labels start with A12 and end with A26. 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.

  • Eco AllianceECO-215LEB
  • Eco AllianceECO-260LS

Published codes

Fault code

A12

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.

A licensed technician confirms the actual cause.

View the canonical A12 result

Fault code

A13

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.

A licensed technician confirms the actual cause.

View the canonical A13 result

Fault code

A21

Amber — service attention

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

Documented as a water-tank temperature-sensor fault.

A licensed technician confirms the actual cause.

View the canonical A21 result

Fault code

A22

Amber — service attention

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

Documented as a coil temperature-sensor fault.

A licensed technician confirms the actual cause.

View the canonical A22 result

Fault code

A23

Amber — service attention

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

Documented as a high-pressure temperature-sensor fault.

A licensed technician confirms the actual cause.

View the canonical A23 result

Fault code

A25

Amber — service attention

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

Documented as an air-temperature sensor fault.

A licensed technician confirms the actual cause.

View the canonical A25 result

Fault code

A26

Amber — service attention

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

Documented as a low-voltage temperature-sensor fault.

A licensed technician confirms the actual cause.

View the canonical A26 result

Official source

Where this result comes from

Eco Alliance. Eco Alliance LE Series Heat Pump Water Heater Instruction Manual. Retrieved .

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