Question about Goodman Heating & Cooling
Turn fan switch at stat to on . does fan run? it should within 2 to 3 minutes if not sooner. if it does then you know you have low voltage and high voltage a blower and electronic brain . go outside and see of you hear a hum like a faint buzz. that is the contactor being closed and energized. check to see if outdoor disconnect has power ,usually 220 volts and then remove service panel and see if 220 volts arrives at contactor. see if spring loaded contactor points are pulled in and check to see if voltage is feeding through contactor . this will be hot! be sure you know how to use a meter and work live power. if contactor is not pulled in then you have a control voltage problem and you have to get 24 volts from stat to indoor blower to outdoor condensor. with and insulated screwdriver you can simply mash in on the contactor points and fan and compressor should run . only do this for a second or two, but it does simply say hey contactors open, ive got power and it will run but no controll volytage.IF ITS A RUUD OR A RHEEM SOME OF THEM HAVE A RESET BUTTON DOWN WHERE THE REF LINES GO IN . MASH IT IN AND IT MAY RESET, THEYTRIP OFF HIGH PRESSURE, DIRTY FILTER OR COIL IN HEAT OR A BAD FAN MOTOR OUTSIDE IN COOL.
Posted on Oct 09, 2008
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Posted on Jan 02, 2017
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