Midea MHC-V16W/D2RN8-B - P5 Troubleshooting

M thermal Mono
82 200204
Midea M thermal Mono Service Manual
4.19 P5 Troubleshooting
Digital display output
Description
 High temperature difference between water side heat exchanger water inlet and water outlet temperatures
protection.
 M thermal Mono stops running.
 Error code is displayed on hydronic system main control board for refrigerant system and user interface.
Possible causes
 Temperature sensor not connected properly or has malfunctioned.
 Water piping contains air.
 Insufficient water flow.
 Hydronic system main PCB damaged.
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