Error Codes
Troubleshooting
•
Inverter Split Type
8
Number
Cause
Error
Code
1
Indoor EEPROM error
E0
2
Indoor and outdoor communication failure
E 1
3
4
Indoor fan speed malfunction
E3
5
Indoor room temperature sensor open circuit or short circuit
E4
6
E5
9
10
E
E
15
17
16
Display board and main control communication failure
18
19
20
21
22
23
24
High/Low voltage protection
Compressor top overheating protection
Outdoor low temp. Protection
Compressor drive error
Compressor High/Low-pressure protection
Outdoor IGBT sensor error
Evaporator coil temperature sensor open circuit or short circuit
7
12
13
14
11
Refrigerant leakage detection malfunction
Communication malfunction between two indoor units (for twins model)
Other malfunction of twins model
EC
E8
E9
f1
f2
f3
f4
f5
f6
p0
p 1
p2
p3
p4
p6
p7
f0
Current overload protection
Outdoor room temperature sensor open circuit or short circuit
Outdoor condenser pipe temperature sensor error
Discharging air temperature sensor error
Outdoor EEPROM error
Outdoor fan speed malfunction
T2b sensor error
Inverter module IPM protection
Outdoor unit malfunction
84