The Product Doesn't Operate With The Remote Controller; The Compressor/Outdoor Fan Are Don't Operate - LG AMNW07GDBB0 Service Manual

Part 5. Trouble Shooting

6.2 The Product doesn't operate with the remote controller

Turn on the main power
A "Beeping" sound is made
from the indoor unit
Yes
Is it possible to turn on the unit
by ON/OFF button on display?
Yes
Is the remote controller
working properly?
Yes
* Check the contact point of CN-DISP 1, 2 connector & Re connector.
* Check display PCB Assembly
- Voltage between CN-DISP1
- If problem still persists, Replace display PCB

6.3 The Compressor/Outdoor Fan are don't operate

Operate Cooling Mode by setting the disired temperature of the remote controller is less
than one of the Indoor temperature by 1°C at least.
Check the sensor for Indoor temperature is attatched as close as to be effected by the
themperature of Heat Exchange (EVA.)
Copyright ©2017 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3 - 6 should be DC +5V,
Turn on the main power.
When in air circulation mode, compressor/outdoor fan is stopped.
No
* Refer to 6.1
* Check the voltage of power
No
(AC208/230V,60Hz).
No
* When the mark (
in LCD screen, replace battery.
- 49 -
) is displayed
LGE Internal Use Only