17
Test Running
The meaning of error codes as shown below:
Note:
When the unit is connected with the wired controller, the error code will be
simultaneously shown on it.
Trial Operation and Testing
Table 8
Error Code
Name
CL
Filter filth blockage alert
E0
High exhaust temp. protection
E1
Overcapacity protection
E2
Compressor overload protection
E4
System high pressure protection
E5
System low pressure protection
E6
Lack refrigerant/valve stop protection
L0
Jumper malfunction
L2
No feedback signal of indoor unit fan
L3
Communication malfunction
L7
The communication between indoor unit and wired controller fault
L9
Water full protection
U0
Short/open circuit of indoor environment sensor
U1
Short/open circuit of indoor unit tube sensor
U2
Outdoor temp. sensor open/short circuit
U6
Liquid pipe temp. sensor malfunction
U7
Gas pipe temp. sensor malfunction
PC
Mode conflict