Model reference
Haiyer HSU-09H03/(BP)1
Air Conditioner
1 document18 error codes3 service modes
Available documentation
Service Manual
- Domestic Air Conditioner SERVICE MANUAL61 pg
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Error codes (18)
CodeMeaning
Power■ Timer■ Running★Transmission abnormityPower■ Timer★ Running■Overhigh discharging temperature protectionPower■ Timer★ Running□Insufficient current protection (low-voltage protection).Power■ Timer★ Running★Outdoor control board temperature protectionPower□ Timer■ Running★Abnormity of control board thermistor.Power□ Timer□ Running★Abnormity of defrosting thermistor.Power□ Timer★ Running■Abnormity of outdoor thermistor.Power□ Timer★ Running□Abnormity of module thermistor.Power□ Timer★ Running★Module temperature rising protection.Power★ Timer■ Running■Abnormity of indoor thermistorPower★ Timer■ Running□Compressor running abnormity.Power★ Timer■ Running★CT wiring disconnected protection.Power★ Timer□ Running■Abnormity of discharging thermistor.Power★ Timer□ Running□Abnormity of thermal conversion thermistor (indoor coil pipe temperature sensor…Power★ Timer□ Running★EEPROM abnormityPower★ Timer★ Running■AC current protection.Power★ Timer★ Running□DC current protectionPower★ Timer★ Running★High-load protectionService modes (3)
- Abnormity Diagnose (Error Code Recall)Press the emergency switch and hold for 10-15 seconds until the buzzer sounds three times.
- Automatic Emergency RunningPress the emergency button for 0-5 seconds.
- Trial Running (Test Mode)Press the emergency button and hold for 5-10 seconds until the buzzer sounds twice.
Full entry steps, exit procedures, and test sequences are available in Max.
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