2.26 PP: Compressor discharge insufficient superheat protection
2.26.1
Digital display output
2.26.2
Description
Compressor discharge insufficient superheat protection.
All units stop running.
Error code is only displayed on the unit with the error.
2.26.3
Trigger / recover condition
Trigger condition: Discharge gas superheat is ≤ 0
Recover condition: Discharge gas superheat go back to normal value.
Reset method: Resume automatically.
2.26.4
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 VRF 50Hz
129