Midea MV6-252WV2GN1 - 2.23 P5: Outdoor heat exchanger temperature protection; 2.23.1 Digital display output; 2.23.2 Description; 2.23.3 Trigger; recover condition

V6 VRF 50/60Hz
124
Midea V6 Series Service Manual
2.23 P5: Outdoor heat exchanger temperature protection
Digital display output
Description
 Outdoor heat exchanger temperature protection.
 All units stop running.
 Error code is only displayed on the unit with the error.
Trigger / recover condition
 Trigger condition: Outdoor heat exchanger temperature (T3) ≥ 65
o
C.
 Recover condition: Outdoor heat exchanger temperature (T3) < 55
o
C.
 Reset method: Resume automatically.
Possible causes
 Outdoor unit stop valves are closed.
 Temperature sensor not connected properly or has malfunctioned.
 Indoor load too large.
 System contains air or nitrogen.
 Poor condenser heat exchange.
 High pressure side blockage.
 Main PCB damaged.