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5.3 Error Codes
Number Cause
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Indoor EEPROM (Electrically Erasable
Programmable Read-Only Memory)
error
Indoor and outdoor unit communication
malfunction
Indoor fan speed malfunction
Indoor room temperature sensor error
Evaporator coil temperature sensor
error
Refrigerant leak detection system
malfunction
Water level alarm malfunction
Dual indoor unit (twin model only)
communication malfunction
Other twin model malfunction
Overload protection
Outdoor temperature sensor error
Outdoor condenser pipe sensor error
Discharge air temperature sensor error
Outdoor EEPROM (Electrically
Erasable Programmable Read-Only
Memory) error
Outdoor fan speed (DC fan motor only)
malfunction
Inverter module IPM protection
High/Low voltage protection
Compressor top overheating protection
Outdoor low temperature protection
Compressor drive error
The number
Timer
of flashes
indicator
per second
1
Off
2
Off
4
Off
5
Off
6
Off
7
Off
8
Off
9
Off
10
Off
1
On
2
On
3
On
4
On
5
On
6
On
1
Flash
2
Flash
3
Flash
4
Flash
5
Flash
Error
code
E0
E 1
E3
E4
E5
EC
EE
EB
E9
F0
F1
F2
F3
F4
F5
P0
P1
P2
P3
P4