Service manual
27
10. Troubleshooting
10.1
Display board
§
Operation
The indicator flashes once every second after power is on and illuminates when the air conditioner is in
operation.
§
Timer indicator:
The indicator illuminates then TIMER is set ON.
§
PRE-DEF. indicator (For cooling & heating mode only)
The air conditioner starts defrosting automatically if outdoor unit frosts in heating operating.
At this time, PRE-DEF. indicator illuminates.
§
Auto indicator:
This indicator flashes when the air conditioner is in AUTO operation.
§
ECON indicator
This indicator illuminates while the air conditioner is in economic operation.
10.2
Troubleshooting
For models adopting electrical function:
Failure phenomenon
Operation
lamp
Timer
lamp
Defrosting
lamp
Auto
lamp
Over current protection of the compressor occurs 4
times
☆
☆
☆
☆
Indoor room temp. sensor is open circuit or short circuit
X
☆
X
X
Temp. sensor on indoor evaporator is open circuit or
short circuit
☆
X
X
X
Temp. sensor on outdoor condenser is open circuit or
short circuit (without cooling only models)
X
X
☆
X
Outdoor unit protects(outdoor compressor current,
phase order etc)
X
X
☆
☆
EEROM error
X
☆
X
☆
Indoor unit communication error
X
X
X
☆
r
Extinguish
☆
Flash at 5Hz
Summary of Contents for 38 KCL012733
Page 1: ...Cover Service Manual AIR CONDITIONER Hi Wall Type 42 38 KCL018R33 42 38QCL018R33...
Page 10: ...Service manual 7 4 Refrigerant cycle diagram Cooling only Heat pump mode...
Page 12: ...Service manual 9 6 Wiring diagram Indoor 42KCL018R33 42QCL018R33...
Page 13: ...Service manual 10 Outdoor 38KCL018R33 38QCL018R33...
Page 41: ...Service manual 6 4 Refrigerant cycle diagram Cooling only Heat pump mode...
Page 43: ...Service manual 8 6 Wiring diagram Indoor 42KCL024R33 42QCL024R33...
Page 44: ...Service manual 9 42KCL030R33 42QCL030R33...
Page 45: ...Service manual 10 Outdoor 38KCL024R33 38KCL030R33...