Question about Heating & Cooling
It may just be a contacts issue. Try this: Disconnect the power to the outside unit, both 220 and 110v. Open the service panel, and then open the metal enclosure around where the wiring enters the case. This is 220 volts to the contacts, controlled by a 110v relay. Inspect the contacts, and clean if necessary. For some reason, critters like to get into the contacet (ants and such), and they also foul over time. Make sure that there is no power on before you make any attempts to inspect or clean! If you have an electrical test meter, always verify that the circuit is dead! I clean my contacts with a fine sandpaper or emery board, and contact cleaner to further clean and lubricate the mechanical portion of it. Reassemble, and try it.
Best regards, --W/D--. Please feel free to rate this solution.
Posted on Jul 26, 2009
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Posted on Jan 02, 2017
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