Sharp AF-08CRL Service Manual - Page 30
loosened screw
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AF-08CRL Excessive vibration or Abnormal noise At fan only mode, Excessive vibration or Abnormal noise NO YES Check the air filter dirty not dirty Clean the air filter. Check rotating direction of centrifugal fan.(to clockwise) OK NG Check the fan motor NG connector. OK Measure the resistance NG of fan motor coil. OK Change the fan motor. Connect properly. Is the fan deformed or broken. OK deform or broken Change the fan Is loosened screw and nut fixing fan ? OK loosened Tighten up. Is each screws loosened ? OK Checking complete loosen Tighten up Is pipe touching to another parts. OK touching Repair with adjusting shape of pipes. Check mounting of compressor. OK NG Repair mounting or change compressor cushion. Check compressor noise and vibration. OK too big Change compressor. Checking complete 30