haier AD122XLERA - Manual (Page 27)

25
Failure code
FAILURE CODE
(CHECK THE WIRED
REMOTE CONTROLLER)
TROUBLE SHOOTING
(outdoor unit)
*
*
1. Please contact the installers or distributors when trouble happens to repair it.
2. Turn the power off and power on again, if the failure code recurs, please inform the franchiser.
3. Failrue codes maked with are resumable.
NOTE!
*
Faulty 4-way valve
switching on Coil of 4-way valve is disconnected, or faulty
outdoor PCB
25
POSSIBLE REASONS
Faulty sensor Tc
Sensor disconnected, or broken, or short circuit 26
Faulty sensor Toci Sensor disconnected, or broken, or short circuit 2A
Low voltage protection VDC<194V, too low voltage from power source
High voltage protection VDC>400V, too high voltage from power source
2C
2D
Abnormal communication
between main PCB and
SPDU(or ISPM) Communication cables broken, or not be well
connected, or faulty main PCB, or faulty SPDU
(or ISPM)
2E
Compressor be locked Faulty compressor or SPDU(or ISPM)
Compressor vibration too big Faulty compressor
Compressor lose position Faulty SPDU(or ISPM)
Faulty compressor start Faulty compressor or SPDU(or ISPM)
Faulty position checking
circuit
Faulty SPDU(or ISPM)
Compressor broken Faulty compressor or SPDU(or ISPM)
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