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Error code reference

Haier Air Conditioner Error Code E14

Overload or high restrictions - possible jammed compressor, damaged power module, irregular heat emitting gum, high/low voltage (Power blinking, Timing blinking, Running blinking)

SourceHaier HSU-22H03/R2 - Full Service Manual: Split AC Unitp. 37

Haier codesHaier air conditioner codes
Diagnostic procedure

The full E14 procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check compressor for jam, inspect power module, verify heat sink compound, check supply voltage

SourceHaier HSU-22H03/R2 - Full Service Manual: Split AC Unitp. 37

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More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Where this code is documented

4 manuals in the MyPros+ library document this code for Haier air conditioner.

Models covered by the manuals that document this code

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