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It clicks on and off every 20 seconds and doesnt cool

Model hnsb02bb

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Remove the rear lower panel behind the unit,unplug the ptc overload/relay off the compressor and take an ohm meter and from the single pin on the compressor to each terminals above or below the single pin test these one at a time they should each resd 5-10 ohms each,then the 2 pins side by side test these 2,this should read 7-15 ohms,any readings much below these readings constitute a shorted compressor,then from each pin separately to the case of the compressor,you should read no resistance or the compressors windings are shorted to ground,if these readings are within above specs then replace the ptc overload/relay and capacitor and it will again cool

Posted on Dec 13, 2012


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