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Midea V6R VRF Series

Midea V6R VRF Series
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V6R VRF 50Hz
161
3.11 A1: Refrigerant leakage protection (for MS01)
Digital display output
Description
Refrigerant leakage protection.
All units stop running.
Error code is displayed on the malfunction MS box.
Trigger / recover condition
Trigger condition: Communication between main control board and inverter driver board is abnormal for 2 minutes.
Recover condition: Communication go back to normal.
Reset method: Resume automatically.
Possible causes
S1 dial setting error.
Refrigerant leak.
Refrigerant leak sensor failure.
MS PCB damaged.
Procedure
A1
S1 dial setting error.
Yes
Set S1 dial code correctly.
No
Refrigerant leak.
Yes
Find leaks and fix the problem.
No
Refrigerant leak sensor failure.
Yes
Replace the refrigerant leak sensor.
No
Replace the MS main PCB

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