Service Manual

X
Outdoor fan has been out of control
E7
E8
X
Indoor fan speed has been out of control
F5
——
X
Voltage protection
P0
E5
X
X
Temperature protection of compressor top.
P1
P0
X
Outdoor unit over-current protection
P2
P3
X
X
Inverter compressor drive protection
P4
——
X
Mode conflict
P5
——
flash at 2.5Hz, light, X extinguished, , flash at 0.5Hz
Note: Digital display is only available for duct type.
KSIE series:
Operation lamp
Timer lamp
Display
LED STATUS
ODU
Error
1 time
X
E0
Indoor EEPROM malfunction
——
2 times
X
E1
Communication malfunction between indoor and outdoor units
E2
4 times
X
E3
Indoor fan speed malfunction.
——
5 times
X
E4
Indoor room temperature sensor open or short circuit.
——
6 times
X
E5
Evaporator coil temperature sensor open or short circuit.
——
2 times
F1
Outdoor temperature sensor open or short circuit.
E4
3 times
F2
Condenser coil temperature sensor open or short circuit.
E4
4 times
F3
Compressor discharge pipe sensor open or short circuit.
E4
5 times
F4
Outdoor EEPROM malfunction
E0
6 times
F5
Outdoor fan has been out of control
E8
7 times
F6
Indoor unit coil outlet temp. sensor open or short circuit.
E4
1 times
P0
Inverter module (IPM) malfunction or IGBT over-strong current protection
P6
2 times
P1
Voltage(High voltage or low voltage ) protection.
E5
3 times
P2
High temperature protection of compressor top (only for M3OD-27HRDN1-M)
P0
5 times
P4
Compressor drive error
——
6 times
P5
Mode conflict
——
flash , light, X extinguished
8.3 Outdoor Unit Display
8.3.1 Outdoor unit point check function
There is a check switch in outdoor PCB.