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8
Dual indoor unit (twin model only) communication
9
malfunction
O
9
Other twin model malfunction
10
O
10
Overload protection
1
On
11
Outdoor temperature sensor error
2
On
12
Outdoor condenser pipe sensor
error
3
On
13
Discharge air temperature sensor error
4
On
14
Outdoor EEPROM (Electrically Erasable
5
Programmable Read-Only Memory) error
On
Error Codes
Cause
The number
of flashes
per second
Timer
indicator
Error
Code
1
Indoor EEPROM (Electrically Erasable Programmable
Read-Only Memory) error
1
O
E0
2
Indoor and outdoor unit communication malfunction
3
Indoor fan speed malfunction
4
Indoor room temperature sensor error
5
Evaporator coil temperature sensor error
6
Refrigerant leak detection system malfunction
7
Water level alarm malfunction
15
Outdoor fan speed (DC fan motor only) malfunction
16
T2b sensor error
2
O
E 1
4
O
E3
5
O
E4
6
O
E5
7
O
EC
8
O
EE
E8
E9
F0
F 1
F2
F3
F4
6
On
F5
7
On
F6
17
Inverter module IPM protection
18
High/Low voltage protection
19
Compressor top overheating protection
20
Outdoor low temperature protection
21
Compressor drive error
1
Flash
P0
2
Flash
P 1
3
Flash
P2
4
Flash
P3
5
Flash
P4
22
Mode conflict
6
Flash
P5
23
Compressor low-pressure protection
24
Outdoor IGBT sensor error
7
Flash
P6
8
Flash
P7
25
Indoor unit communication malfunction
11
On
fa
