Indoor unit operates by pressing EMERGENCY OPERATION switch, but does not operate with the remote controller.
B Check of remote controller and indoor electronic control P.C. board
wCheck if the remote controller is exclusive for this air conditioner.
Press OPERATE/STOP(ON/OFF) button on the remote controller.
Is LCD display on the remote con- | No |
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troller visible? |
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(not clear)
Yes
Replace the batteries. (Refer to
Remove the batteries, then set them back and press RESET button. (Refer to 10- 1.4.) Check if the unit operates with the remote controller.
Does the unit operate with the | No |
| |
remote controller? |
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Yes |
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Turn ON a radio to AM and press OPERATE/STOP(ON/OFF) button on the remote controller.
OK |
Is noise heard from radio? |
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| No | ||
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| Yes |
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Are there any fluorescent lights of |
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| Yes | ||
inverter or |
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the range of 1 m? |
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| No |
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Replace the indoor electronic |
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control P.C. board. |
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(including the receiver) |
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Replace the remote controller.
●Reinstall the unit away from lights.
●Attach a filter on receiving part.
29
