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Posted by Zyp on July 28, 2008, 10:46 am
Noon-Air wrote:
>> System won't turn off with thermosatat temp adjustment ( Goodman
>> system) Furnace is a Goodman GMP-075-3 1998
>> A/C condensing unit is a Goodamn 2 ton 10 SEER unit 1998
>> It is now the middle of a hot summer . The system is cooling fine
>> but a problem has developed where the A/C and fan stays on
>> regardless of the thermostat setting . I can only tun it off by
>> placing the switch thermostat in the off position (between heat and
>> cool ) . I suspect that is probably a bad control board or
>> thermostat . How do i diagnosis this further (and repair) ? - Thanks
> You pick up the yellow pages, and look under "air conditioning
> contractors", then call one.
Noon air is right. You will save time, money, and family discomfort by
having a qualified HVAC service person diagnose and repair your system
rather than mucking if up yourself.
It does sound like a mis-wire rather than a failed part though. If it turns
off when you switch the thermostat to "off", then something's a miss with
the wiring. [Unless your FAN is in the 'on' position rather than 'auto' -]
--
Zyp
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> Furnace is a Goodman GMP-075-3 1998
> A/C condensing unit is a Goodamn 2 ton 10 SEER unit 1998
> It is now the middle of a hot summer . The system is cooling fine but a
> problem has developed where the A/C and fan stays on regardless of the
> thermostat setting . I can only tun it off by placing the switch
> thermostat in the off position (between heat and cool ) . I suspect that
> is probably a bad control board or thermostat . How do i diagnosis this
> further (and repair) ? - Thanks