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Once you turn on aircon with fan with high speed, the air blown doesn't get cold even after a while. The fan makes some wierd high pitch sound as if like metal against each other. The fan stops once in a while and makes that same sound once it start turning again. This goes cyclic through out the time it is turned on but not cooling the air from the aircon.

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Your AC needs a good overhauling as the fan seems struck on the bearings or the blades are rubbing the sides. Also the compressor fails to cool as there can be low gas, low pumping pressure or a blocked condenser.
You need to remove clean the coils and lubricate the fan to be set back. Check the capacitor to the fan and compressor as a low value will reduce the speed and so reduce pumping pressure.

Posted on Apr 11, 2011

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Posted on Jan 02, 2017

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