Midea V6 Series Service Manual page 130

Commercial air conditioners
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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

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