Pp: Compressor Discharge Insufficient Superheat Protection - Midea V6-i Series Service Manual

2.23 PP: Compressor discharge insufficient superheat protection

2.23.1 Digital display output
2.23.2 Description
 Compressor discharge insufficient superheat protection.
 All units stop running.
 Error code is only displayed on the unit with the error.
2.23.3 Trigger / recover condition
 Trigger condition: Discharge gas superheat is ≤ 0
 Recover condition: Discharge gas superheat go back to normal value.
 Reset method: Resume automatically.
2.23.4 Possible causes
 Temperature sensor not connected properly or has malfunctioned.
 Poor temperature sensor heat insulation.
 Excess refrigerant.
 Discharge pressure too high.
 Main PCB damaged.
o o
C for 20 minutes or ≤ 5 C for 60 minutes.
V6-i VRF 50/60Hz
123