Midea V6R VRF Series

V6R VRF 50Hz
101
Part
6
-
Diagnosis and Troubleshooting
Procedure
F6
Electronic expansion valve coil
connection on outdoor main PCB is
loose
1
Yes
Ensure the sensor is connected properly
No
Electronic expansion valve coil has
malfunction
2
Yes
Replace the coil.
No
Replace the outdoor main PCB
Notes:
1. Electronic expansion valve coil connections are port CN70 and CN72 on the outdoor main PCB
2. The normal resistances between EEV coil wiring terminals RED and white / yellow / orange / blue are 40-50Ω. If any of the resistances differ from the value,
the EEV coil has malfunction.
Figure 6-2.3: EEV coil wiring terminals