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Error code reference
Haier Air Conditioner Error Code F19
Overheat protection for discharge temperature, activated when compressor discharge temperature exceeds 110°C.
SourceHaier Air Conditioner - Service Manual: AS09NS1HRA-GUp. 53
Diagnostic procedure
The full F19 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
Electrify the machine again and measure the temperature at the exhaust temperature sensor of the compressor on the outdoor unit.
SourceHaier Air Conditioner - Service Manual: AS09NS1HRA-GUp. 53
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
3 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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