M thermal Mono
202005 109
Part 3 - Installation and Field Settings
11 Error Code Table
Table 3-10.1: Error code table
Transducer module temperature too high protect
Water flow failure (E8 appears 3 times)
Phase sequence error (for 3 phase models)
Communication error between the main control board of hydraulic module and user interface
Backup electric heater exchanger water outlet temperature sensor T1 error
Domestic hot water tank temperature sensor T5 error
Air side heat exchanger refrigerant outlet temperature sensor T3 error
Outdoor ambient temperature sensor T4 error
Balance tank sensor Tbt1 error
Water flow failure within 3 times
Suction pipe temperature sensor Th error
Discharge pipe temperature sensor Tp error
Solar board sensor Tsolar error
Balance tank sensor Tbt2 error
Water side heat exchanger water inlet temperature sensor Twin error
Hydronic box EEPROM error
DC generatrix voltage is too low
Communication error between outdoor unit main control chip and hydronic box main control chip
Communication error between outdoor unit main control chip and inverter driver chip
Water side heat exchanger refrigerant outlet (liquid pipe) temperature sensor error
Water side heat exchanger refrigerant inlet (gas pipe) temperature sensor error
Inverter module protection (L0/L1 appear 3 times in one hour)
Room temperature sensor Ta error
Abnormal main circuit voltage
Zone 2 water outlet temperature sensor Tw2 error
Water side heat exchanger water outlet temperature sensor error
PP protection three times in a row and Twout<7℃
Refrigerant system EEPROM error
H6 appears 10 times in 120min
Low pressure protection (pressure < 0.6MPa for 3 times in one hour)
Compressor current protection
Discharge temperature sensor Tp protection
High temperature difference between water side heat exchanger water inlet and water outlet temperatures protection
Inverter module protection
Inverter module protection
DC bus low voltage protection
DC bus high voltage protection
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