Model reference
Haier HSU22HG03
Air Conditioner
1 document15 error codes5 service modes
Available documentation
Service Manual
- Domestic Air Conditioner SERVICE MANUAL54 pg
MyPros+ Max
Diagnose your Haier HSU22HG03.
- Step-by-step diagnostics from the service manual
- Test values, resistance specs, and wiring references
- Verified part numbers when replacement is needed
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Error codes (15)
CodeMeaning
E1Faulty indoor thermistorE10High AC currentE11High DC currentE12Broken CT wireE13Low voltage inputE14Overload or high restrictionsE15Indoor motor warningE2Faulty indoor thermistorE3Faulty EEPROME4Defrosting temperature sensor in short or broken circuit (Power ON, Timing ON…E5Compressor discharge temperature sensor in short or broken circuit (Power…E6Thermistor on wiring board in short circuit (Power ON, Timing blinking, Running…E7Poor communication between indoor and outdoor units (Power OFF, Timing OFF…E8EEPROM faultE9Overheating discharge pipeService modes (5)
- Emergency OperationWith unit in shutdown condition, press emergency switch down for less than 5 seconds
- Power-off Compensation ModePress sleep key 10 times within 7 seconds
- Previous Fault DisplayWith unit in shutdown condition, press emergency switch down for more than 10 seconds but less than…
- Test Running Switch (Cooling Test)Use the test running switch (manual) on indoor unit to start test running in cooling mode.
- Trial Operation (Test Run)With unit in shutdown condition, press emergency switch down for more than 5 seconds but less than…
Full entry steps, exit procedures, and test sequences are available in Max.
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