Gree GWC User Manual

66
Installation and Maintenance
Service Manual
Start
Is there jumper cap on the mainboard?
Is the jumper cap inserted correctly
and tightly?
Replace the jumper cap with
the same model
Appearance of the
jumper cap
Assemble the jumper
cap with the same model
Insert the jumper
cap tightly
Is malfunction
eliminated
Is malfunction
eliminated
Is malfunction
eliminated
Replace the mainboard
with the same model
End
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
3. Malfunction of Protection of Jumper Cap C5
Main detection points:
● Is there jumper cap on the mainboard?
● Is the jumper cap inserted correctly and tightly?
● The jumper is broken?
● The motor is broken?
● Detection circuit of the mainboard is dened abnormal?
Malfunction diagnosis process:

Gree GWC Specifications

General

Power Supply	220-240V, 50Hz
Type	Split
Refrigerant	R410A
Features	Auto Restart, Sleep Mode, Turbo Mode
EER (Energy Efficiency Ratio)	3.5
Noise Level	50 dB (Outdoor)
Cooling Capacity	12000 BTU/h
Heating Capacity	12000 BTU/h
Weight	Indoor: 9 kg, Outdoor: 30 kg