Gree GWC12KF-K3DNA5A

N
N
N
Y
Y
Y
Y
N
Y
N
N
Y
Troubleshooting
(6) Diagnosis of overload and discharge malfunction
Main detection points:
z Is electric expansion valve well connected? Is it damaged?
z Is refrigerant leaked?
z Is overload wire connection normal?
Malfunction diagnosis process:
(7) Detection process of communication circuit of outdoor unit
58
20min after
de-energization
of complete unit
Is electric
expansion valve
well connected?
Is overload wire
reliably connected?
Replace electric
expansion valve
Remove
malfunction?
Replace parts
of outdoor
electric box
Remove malfunction?
Refrigerant leakage,
recharge the
refrigerant
Finish
Adjust
connecting wire
E6 communication
error is
displayed
Is connecting
wire reliably
connected?
Replace main
board of indoor
unit
Remove malfunction?
Replace parts
of outdoor
electric box
Finish
Adjust
connecting wire