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I changed the filter on my ruud 1x2000 the other day did not try to turn on until yesterday.tried ac nothing then tried heat nothing. changed termastat still nothing.

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Is this a whole house air conditioner ,
if so check the fuse panel,
check to see if the outside unit runs at all , compressor or fan.
check the ac transformer power to the thermostat
check the switch in the ac closet
doe the internal fan run if you switch to fan only.

Posted on Apr 13, 2008

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