Airwell johnson DCH Series User Manual

TROUBLESHOOTING
Version - 1 36 DCH DCI
10.1 Indoor Unit Error Display
Operation
lamp
Timer lamp
Display
LED STATUS
☆ 1 time
X
E0
Indoor unit EEPROM parameter error
☆ 2 times
X
E1
Indoor / outdoor units communication error
☆ 4 times
X
E3
Indoor fan speed has been out of control
☆ 5 times
X
E4
Indoor room temperature sensor T1 open circuit or
short circuit
☆ 6 times
X
E5
Evaporator coil temperature sensor T2 open circuit or
short circuit
☆ 7 times
X
EC
Refrigerant leakage detection
☆ 1 times
O
F0
Overload current protection
☆ 2 times
O
F1
Outdoor ambient temperature sensor T4 open circuit or
short circuit
☆ 3 times
O
F2
Condenser coil temperature sensor T3 open circuit or
short circuit
☆ 4 times
O
F3
Compressor discharge temperature sensor T5 open
circuit or short circuit
☆ 5 times
O
F4
Outdoor unit EEPROM parameter error
☆ 6 times
O
F5
Outdoor fan speed has been out of control
☆ 1 times
☆
P0
IPM malfunction or IGBT over-strong current protection
☆ 2 times
☆
P1
Over voltage or over low voltage protection
☆ 3 times
☆
P2
High temperature protection of IPM module or
compressor top
☆ 5 times
☆
P4
Inverter compressor drive error
O（light） X（off） ☆（flash）
* Fault Symptom: The display board shows a garbled code or a code that is not an error code found in
the service manual nor a temperature reading.
Trouble shooting:
Use the remote controller. If the unit does not respond to the remote, the indoor PCB needs to be
replaced; if the unit does respond, then the display board needs to be replaced.

Airwell johnson DCH Series Specifications

General

Brand	Airwell
Model	johnson DCH Series
Category	Air Conditioner
Language	English