Gree GMV-VQ680WM/C-X Service Manual page 286

Gree
Step 1: Disconnect the power and wait five minutes.
Step 2: As shown in the figure, switch the multimeter to the diode gear. Point the black and red
probes to the following positions to check if the main board is normal.
Black probe
X5 (1)
CN9 (3)
Anode of fuse (2)
CN1 (4)
CN12 (8)
CN58 (11)
CN58 (11)
CN58 (11)
CN58 (10)
CN58 (10)
Red probe
X4 (2)
CN9 (4)
Cathode of fuse (7)
CN1 (6)
CN12 (9)
CN58 (10)
CN54 (12)
CN17 (13)
CN54 (12)
CN17 (13)
284
GMV6 HR DC Inverter VRF Units Service Manual
The main board is normal if the multimeter does
The main board is normal if the multimeter does
The fuse is damaged and needs to be replaced if
the multimeter does not beep.
The main board is normal if the multimeter does
The main board is normal if the multimeter does
The main board is normal if the multimeter does
The main board is normal if the multimeter does
The main board is normal if the multimeter does
The main board is normal if the multimeter does
The main board is normal if the multimeter does
Symptom
not beep.
not beep.
not beep.
not beep.
not beep.
not beep.
not beep.
not beep.
not beep.