9
Troubleshooting
Is there any direct sunlight in the room? If there are unexpected heat sources
in the room?
Too many people in the room?
Poor cooling
Cold air blows out (in heating mode). Is air conditioner in standby condition in heating mode?
If your unit still can't work properly after above mentioned checks, or following problems occur, please stop it immediately
and contact your dealer.
Fuses or circuit breakers often blow out.
Water comes out in cooling/dry operation.
Operation is abnormal or sound is heard.
YIFFYC012BAEFA YIFFYC018BAEFA
Wired
controller
display
Possible reasons
LED flash
times of signal
receiver board
1
Malfunction of indoor unit ambient
temperature sensor
Malfunction of indoor unit piping
temperature sensor
Compressor overcurrent / phase
sequence wrong
Abnormal communication between
wired controller and indoor unit
Malfunction of drain system
Indoor coil temperature too high in
cooling mode
2
5
9
10
14
Contents of Malfunction
E1
E2
E5
E8
E0
FC
Sensor disconected,or broken, or at wrong position,
or short circuit
Sensor disconected, or broken, or at wrong position,
or short circuit
Overcurrent after compressor running or power suppl
phase sequence wrong before compressor running.It
occurs 3 times in 1 hour, comfirm the failure, the former
twice will not alarm.
Wrong connection or wired controller broken, or PCB
faulty
Pump motor disconnected or at wrong position,or
the float switch disconnected, or at wrong position,
or the short circuit bridge disconne ted
Refrigerant leakage or indoor coil sensor falling off
Содержание YIFFZC012BAEFA
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