64 Room Air Conditioner
Troubleshooting Guide
The product is not operate with the remote controller.
Turn on Main Power
While the compressor has been stopped, the compressor does not
operate owing to the delaying function for 3 minutes after stopped.
Caused by other parts except the remote controller
Cause by the remote controller
When the mark( ) is displayed in LCD screen, replace
battery.
Check the contact of CN-DISP connector.
When the compressor stopped Indoor Fan is driven by a low speed.
At this point the wind speed is not controlled by the remote controller.
(When operated in the Sleeping Mode, the wind speed is set to the
low speed by force.)
Check DISP PWB Ass'y
- Voltage between CN DISP
-
: DC +5V
When the detect switch(double key) inside the remote
controller door is fault, it is impossible to operate
temperature regulating( / ) and wind speed selecting.
Check the connecting circuit between the remote controller
MICOM (No. ) - R17(2
Ω
) - IR LED - Q1 - R16(2.2K
Ω
).
Check point
• Check the connecting circuit between PIN
43
-
R11L(1K) - C11L(680PF) - MICOM PIN
• Check Receiver Ass'y
Содержание ARTCOOL LA091CNP
Страница 47: ...Service Manual 47 Schematic Diagram Schematic Diagram Heat Pump Cooling Only Series Indoor Unit ...
Страница 48: ...48 Room Air Conditioner Schematic Diagram Heat Pump Series Cooling Only Series Outdoor Unit ...
Страница 51: ...Service Manual 51 Schematic Diagram DISPLAY P W B ASM P No 6871A20921A PCB ASSEMBLY ...
Страница 52: ...52 Room Air Conditioner Schematic Diagram Wiring Diagram 1 Indoor Unit Cooling Only Models Heating Models ...
Страница 53: ...Service Manual 53 Schematic Diagram 2 Outdoor Unit Cooling Only Models Heating Models ...
Страница 76: ...P No 3828A20926C December 2006 Printed in Korea ...