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A/C worked fine last year. Turned it on for the first time this year and the outside unit does not come on. The inside unit fan works just fine. I checked the circut breaker and turned on and off. No change. I revoved the cover and do not see any burnt wires or any problem. Not sure what to do next. I have a meter... what should the voltage be where the power comes into the unit at L1 ect. please help... thx

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  • mopar440man May 28, 2010

    is the contactor pulled in? L1 to L2 you should have 208-230 if it is a home unit

  • billydvette May 28, 2010

    The contactor is out ! If I push it in with a screw driver the fans turns on. But will not stay.

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Check and see if you have 24volts at the contactor outside.if you do you have a bad contactor. if you don't take the tstat off the wall and take a jumper wire and jump out R to Y on the t-stat if it works you have a bad t-stat. if that does not do anything check if you have a wet switch or a float switch my be open. if you don't have one in your inside unit you should have a two wire going out to the condensing unit. you should have two t-stat wires on y in the inside unit and one of the wire that go to the condensing unit is on c or com. if you have power at y and c in the inside unit (must have door switch and y and r jumped at t-stat) you have a break in your wire to the condensing unit. alot of times landscapers it i with the weed wacker lol. hopes this helps you.
mike

Posted on May 28, 2010

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