The Product Is Not Operate With The Remote Controller - LG AS-H076QGA2/QNA2 Service Manual

The product is not operate with the remote controller.

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.)
Cause by the remote control
When the mark( ) is displayed in LCD screen, replace
battery.
Check the connecting circuit between the remote controller
MICOM (No. ) - R17(2Ω) - IR LED - TR - R16(2.2KΩ).
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 control
Check the contact of CN-DISP1 connector.
Check Display PCB Assembly
- Voltage between CN DISP1
Check point
• Check the connecting circuit between CN-DIS1 -
R01L(5.1kΩ) - C01L(680pF) - MICOM PIN
• Check Receiver Assembly
Troubleshooting Guide
: DC + 5V
-
Service Manual 51