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11.1.2 Unit failure code for unit power supply is 380-415V
Suitable for units: capacity 36000~60000BTU, power supply 380-415V 3N
ailure causing
Communication
failure
Wired controller communication
failure
Drainage system
failure
Outdoor protection( Phase
failure )
Outdoor protection
(discharging
over-temperature )
High pressure
protection
Low pressure
protection
Indoor temp. sensor
abnormal(TA)
Indoor coil sensor
abnormal(TE)
Outdoor coil sensor
abnormal(TW )
Outdoor condensate temp.
Sensor
abnormal(TL)
Discharging temp. sensor
abnormal(TP)
Refrigerant shortage
Note: When correct signal has not been received by wired control or main control board in 2 consecutive min, then the unit turns off
and indicates relative failure code, once communication renew and failure code disappears automatically.
Display mode1
（ indication lamp on display
lamp board）
Flash 5 times
and go out 2S
－
Flash 4 times
and go out 2S
Flash6 times and go out 2S
Flash 10 times and go out 2S
Flash 9 times
and go out 2S
Flash 9 times
and go out 2S
Flash 1 times
and go out 2S
Flash 3 times
and go out 2S
Flash 2 times
and go out 2S
Flash 7 times and
go out 2S
Flash 8 times and
go out 2S
Flash 11 times
and go out 2S
Display mode1
（ failure lamp
on control board）
Flash 2 times
and go out 2S
－
－
－
Flash 10 times and go out 2S
Flash 1 times
and go out 2S
Flash 3 times
and go out 2S
－
－
Flash 2 times
and go out 2S
Flash 7 times and go out 2S
Flash 8 times and go out 2S
Flash 11 times
and go out 2S
TRUBLESHOOTING
50Hz
Display mode3
（ wired
Display
controller）
priority
F1
1
E5
1
E4
3
E6
2
EA
7
E9
6
E9
6
E1
4
E3
5
E2
8
E7
9
E8
10
E0
11
28 | S e r v i c e M a n u a l
Phenomenon
shutdown
shutdown
shutdown
shutdown
shutdown
shutdown
shutdown
shutdown
shutdown
non-stop
non-stop
non-stop
shutdown
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