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Posted to alt.home.repair,atl.general
Tony Hwang
 
Posts: n/a
Default Replacing thermostat didn't work--now what?

The Sanity Inspector wrote:
A lightning strike last night blew out a transformer in our
area. We didn't lose our power, but we must have gotten some kind of
surge damage. I have a gas furnace and an a/c. The fan will not turn
off now, even when I set the fan to "auto" and the thermostat to
"off". I replaced the thermostat, thinking it had gotten fried, but I
still have the same problem. Plus, the furnace is getting very hot to
the touch, even though the chiller is working and cool air is coming
out of the vents. What else could be the matter? Thanks.


--
bruce
The dignified don't even enter in the game.
-- The Jam

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Hi,
First thing I'd do would be to turn off the circuit breaker to reset the
control logic board in the furnace. And see if everything comes back to
normal. Did you replace thermostat after turning off the breaker?
Think logic, first thing first in trouble-shooting.