Troubleshooting – Klimaire KSIN Series Service Manual User Manual
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9. Troubleshooting
9.1 Indoor Unit Error Display
Display
Operation lamp flash times
Timer lamp
Failure
E0
1
X
EEPROM error
E1
2
X
Indoor and outdoor communication error
E2
3
X
Zero crossing detection error
E3
4
X
Indoor fan speed has been out of control
E4
5
X
Indoor room temperature sensor T1 open
circuit or short circuit
E5
6
X
Evaporator coil temperature sensor T2 open
circuit or short circuit
EC
7
X
Refrigerant leak detection error
F1
2
O
Outdoor temperature sensor T4 open circuit or
short circuit
F2
3
O
Condenser coil temperature sensor T3 open
circuit or short circuit
F3
4
O
Compressor discharge temperature sensor T5
open circuit or short circuit
F4
5
O
Outdoor EEPROM parameter error
P0
1
☆
IPM malfunction or IGBT over-strong current
P1
2
☆
Over voltage or too low voltage protection
P2
3
☆
Temperature protection of compressor
top(only for 24k models)
P4
5
☆
Inverter compressor drive error
O（light） X（off）
☆（flash）