Gree GWC09KF-D3DNA5A, Руководство по обслуживанию

Страница: 50 / 78

Troubleshooting
N
N
N
Y
Y
Y
Y
N
Y
N
N
Y
(5) 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:
(6) Process of
communication circuit detection
outdoor unit
Finish
Finish
20min after
de-energization of
complete unit
Is electric expansion
valve well connected?
Is overload wire
reliably connected?
Replace electric
expansion valve
Adjust
connecting wire
Remove malfunction?
Replace parts
of outdoor electric box
Remove malfunction?
Refrigerant leakage,
recharge the refrigerant
E6 communication
error is displayed
Is connecting
wire reliably connected?
Replace main
board of indoor unit
Adjust
connecting wire
Remove malfunction?
Replace parts of
outdoor electric box
62