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Fan does not work?
Check whether the connecting belt of the transfer plate has come off (FAN connecting belt).Here is the video:https://youtu.be/FihvNTWJofE.
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Lights flickered and the unit keeps making noise?
Replace the keypad. check whether the connecting belt of the transfer plate has come off(the middle two connecting belts).Here is the video: https://youtu.be/0cBZam5oGcg.
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Unable to start the unit ?
Replace the main control panel : Here is the video:https://youtu.be/OL-tuSfzE