Error Code Table - Midea M-Thermal A Series Service Manual

3 Error Code Table

Table 4-3.1: Error code table
Error Serial
1
code Number
C7 65
E0 1
E1 2
E2 3
E3 4
E4 5
E5 6
E6 7
E7 8
E8 9
E9 10
EA 11
Eb 12
Ec 13
Ed 14
EE 15
F1 116
H0 39
H1 40
H2 41
H3 42
H4 43
H5 44
H6, 45
H7 46
H8 47
H9 48
HA 49
Hb 50
HF 54
HH 55
HP 57
P0 20
P1 21
P3 23
P4 24
202004
Content
High temperature protection of transducer module
Water flow failure(E8 appears for 3 times)
Phase sequence error
Communication error between the main control board of hydraulic
module and user interface
Final outlet water temperature sensor error
Domestic hot water tank temperature sensor error
Air side heat exchanger refrigerant outlet temperature sensor error
Outdoor ambient temperature sensor error
Balance tank upper temperature sensor error
Water flow failure
Suction pipe temperature sensor error
Discharge pipe temperature sensor error
Solar panel temperature sensor error
Balance tank nether temperature sensor error
Water side heat exchanger water inlet temperature sensor 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
P6 appear 3 times in one hour
Room temperature sensor error
DC fan error
Abnormal main circuit voltage
Pressure sensor error
Circuit 2 water outlet temperature sensor error
Water side heat exchanger water outlet temperature sensor error
PP protection appears three times in a row and Twout<7
Invert module EEPROM error
DC fan error(H6 appears 10 times in 120min)
Low pressure protection for cooling mode
Low pressure switch protection
High pressure switch protection
Compressor current protection
Discharge temperature protection
Midea CAC Confidential
2
M thermal Split
Remarks
Only applies to 3-phase models
Sensor T1
Sensor T5
Sensor T3
Sensor T4
Sensor Tbt1
Sensor Th
Sensor Tp
Sensor Tsolar
Sensor Tbt2
Sensor Tw_in
Sensor T2
Sensor T2B
Sensor Ta
Sensor Tw2
Sensor Tw_out
49