Indoor unit operates by pressing EMERGENCY OPERATION switch, but does not operate with the remote controller.
B Check of remote controller and receiver P.C. board
wCheck if the remote controller is exclusive for this air conditioner.
Switch on the remote controller.
Is LCD display on the the remote | No |
| |
controller visible? |
|
(not clear)
Yes
Replace the batteries. (Refer to
Remove the batteries, then set them back and press RESET button. (Refer to
Does the unit operate with the | No |
| |
remote controller? |
|
Yes |
|
OK |
|
Turn on a radio to AM and press switch on the remote controller.
Is noise heard from radio? |
| No | ||
|
|
| ||
| Yes |
|
| |
|
|
| ||
|
|
| ||
Are there any fluorescent lights of | Yes | |||
inverter or |
|
| ||
|
| |||
the range of 1m? |
|
| ||
Replace the remote controller.
●Reinstall the unit away from lights.
●Attach a filter on receiving part.
Replace the indoor electronic control P.C. board.
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