Midea VRF Series

V6R VRF 50/60Hz
122
Midea
V6R
Series Service Manual
Procedure
Hb
ODU stop valves are closed
Yes
Open the stop valves
No
Low pressure sensor connection on
outdoor main PCB is loose
1
Yes
Ensure the sensor is connected properly
No
Low pressure sensor has failed
2
Yes
Replace the sensor
No
Replace the outdoor main PCB
Notes:
1. High pressure sensor connection is port CN17 on the outdoor main PCB.
2. Measure the resistance among the three terminals of the pressure sensor. If the resistance is of the order of mega Ohms or infinite, the pressure sensor has
failed.