FAILURE CODE
(CHECK THE WIRED
REMOTE
CONTROLLER)
TROUBLE SHOOTING
(indoor unit)
POSSIBLE REASONS
Over hot protection of
compressor
Serious lack of refrigerant of the system, or
the ambient temperature too high, or PMVs be
blocked
22
Over hot protection of SPDU
(or ISPM)
Ambient tempreatrue too high, or outdoor fan
be blocked, or bad air circulation of outdoor unit
23
DC fan motor fault
Fan is blocked, or the terminal is disconnected
from the PCB
24
*
*
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
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)
32
33
34
35
37
38
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Summary of Contents for AB092XCERA
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