BMKH MFCC user manual

32
7 Test Running
7.1 Trial Operation and Testing
(1).
The meaning of error codes as shown below:
Table 7
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.
(2).
Instructions to the Error Indicating Lamps on the Panel of the Floor Ceiling
Type Unit.
Fig. 31
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 F1 Indoor ambient temperature sensor is open/short circuited
10 F2 Indoor evaporator temperature sensor is open/short circuited
11 F3 Outdoor ambient temperature sensor is open/short circuited
12 F4 Outdoor condenser temperature sensor is open/short circuited
Outdoor discharge temperature sensor is open/short circuited
13 F5
14 C5
15 EE
5 E5
8 E8
7 E7
Loading EEPROM malfunction
Anti-high temperature protection
Jumper cap malfunction protection
AC over-current protection
Mode conflict
Floor Ceiling Type Unit