BMKH MCC User Manual
DC Inverter Free match Series Cassette Type Unit
34
Table 8
Number Error code Error
1 E1 Compressor high pressure protection
2 E2 Indoor anti-freeze protection
3 E3
Compressor low pressure protection, refrigerant lack
protection and refrigerant colleting mode
4 E4 Compressor high discharge temperature protection
6 E6 Communication error
9 E9 Full water protection
10 F1 Indoor ambient temperature sensor is open/short circuited
11 F2 Indoor evaporator temperature sensor is open/short circuited
12 F3 Outdoor ambient temperature sensor is open/short circuited
13 F4 Outdoor condenser temperature sensor is open/short circuited
Outdoor discharge temperature sensor is open/short circuited
14 F5
15 C5
16 EE
Note: If there're other error codes, please contact qualified professionals for service.
When the unit is connected with the wired controller, the error code will be simultaneously
shown on it.
5 E5
8 E8
7 E7
Loading EEPROM malfunction
Anti-high temperature protection
Jumper cap malfunction protection
AC over-current protection
Mode conflict