Furnace Won't Turn On....no Power? - HVAC - DIY Chatroom Home Improvement Forum

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Old 12-01-2009, 10:34 AM   #1
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Furnace won't turn on....no power?

I've got a Janitrol GMP075-3 that overnight decided to stop working (and it's cold out). I'm no electrician but I've been able to eliminate a few of the possibilities.
  • Replaced the t-stat (previous unit was 10 years old and needed replacing anyways).
  • Checked and reset breaker.
  • Checked and replaced 3A fuse in the furnace.
  • Checked that furnace switch was in ON position.
  • Checked for any lose wires.
There is no pilot light, sounds, etc... and the status light isn't lit. While using the thermostat I was unable to get the fan to come one, AC to kick on, etc...

Any ideas of what it could be or where I should look? I searched and searched but couldn't find anything that would result in the status light not being on, besides power.



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Old 12-01-2009, 03:43 PM   #2
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You need to get someone to check if there is 120 volts at the furnace. May have a bad breaker or power switch. If you have never worked with live high voltage electricity call a Pro.


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