Original message
| yo11
 |  "carrier 58TUA won't shut off"
, posted Wed 9 Jan 20:11  
Hello everyone, It's getting colder in my house every minute
I have Carrier 58TUA furnace
It work great until yesterday when I've noticed that it never turns off for some reason
I got new thermostat first but quick fix failed
I can only turn it off using switch on the furnace
LED error code is 12
BLOWER ON AFTER POWER UP (115 VAC or 24 VAC) -Blower runs for the
selected blower off-delay time, if unit is powered up during a call for heat (R-W/W1 closed) or (R-W/W1) opens during blower on-delay
Is that control board went bad?
Thanks ahead
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Replies:
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| yuri
| "Re(1):carrier 58TUA won't shut off" , posted Wed 9 Jan 20:18
That function should stop after the 90 second delay. If it doesn't then the board is probably bad.
Yuri
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| | yo11
| "Re(2):carrier 58TUA won't shut off" , posted Tue 15 Jan 12:42
I got it fixed
the thermostat cable got shorted in the wall
end up running new one
took me all day
thank
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