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Operation panel doesn’t work.
Check the power supply.
Press the "LED" button of remote controller several times and
check whether the problem stops.
Check the wiring of display board.
Repair the wiring.
Replace the display board.
Replace the main control board.
Follow me mode doesn’t work.
Check the power supply.
Press "follow me" button several times and check whether this mode can work.
(Pay attention to the position of Remote controller)
Check w hether other functions of r emote
work or not.
Replace the display board.
Replace the main control board.
Check the batteries. Replace it if failed.
Replace the remote controller.
No
No
No
Yes
No
No
No
No
No
Yes
No
Service Manual
Room Air Conditioner with R-410A
Heat Controller, Inc.
19