Heating/cooling breaker cannot be reset after an issue

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Old 05-18-17, 06:54 PM
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Heating/cooling breaker cannot be reset after an issue

Hi,

System : elect. Forced air heating/cooling system with an heat pump

Some weeks ago my heating system stop working. The fan was not working at all but the thermostat was still working. I tried to restart the breaker but I can not put it back to ON position....

Question
- Since the fan was the first symptoms is there any way to test that the fan is the problem? Is it possible to unplug/isolate all the wire on the fan and check if the breaker can be set to ON position? Fan? Capacitor? some other thing?

I just want my system back since we need some cool air now.
Any help? I just want to identify the problem Thanks!
 
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Old 05-18-17, 07:00 PM
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Disconnect the fan or the fan relay & try the breaker again.
 
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Old 05-18-17, 07:40 PM
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Welcome to the forums.

That system requires two circuit breakers. One for the outside heat pump.... usually a 2P30A breaker and a second one for the electric furnace..... usually a 2P40-2P60.

Which breaker won't reset ?
What was the issue that caused a trip ?
 
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Old 05-18-17, 08:12 PM
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Thanks...will try to disconnect the fan tomorrow to check if the breaker can be back to on position.

Is there any way to test the capacitor....to know if the problem can be the fan itself or the capacitor

For the breaker, the problem is for both breakers since they are attached together. The only thing I know is that the fan stop working (thermostat still working)...tried to reset and reactivate the breaker
 
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Old 05-18-17, 08:33 PM
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And because it hasn't been mentioned, a tripped breaker must be moved to the fully OFF position before it can be reset to ON.

Normally if a fan spins freely by hand and you don't smell that acrid odor of burnt wiring, it's probably ok. Not always of course.

In my experience, cap's won't cause a breaker trip, they just won't start the motor and you'll hear a humming sound. It may start with a push from a pencil.
 
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Old 05-18-17, 09:22 PM
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There should be two double breakers controlling the system.
Is it the breaker for the inside part of the system ?
 
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Old 05-29-17, 09:26 PM
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Still trying to figure out the problem... (the issue : Fan stop working, then after restarting the breaker there was a problem with the breaker)

After removing the fan the breaker still cause a problem....But after I tried to play with the on / auto switch button and the button heat (Max / Min) and I was able to finally start the breaker.... So I tried to close it and open it several times (OK...the breaker works perfectly) Immediately after this I tried to plug the fan again (maybe it`s my lucky day ;o)) but the breaker problem is back. From this point unpluging the fan and playing with the switch buttons change nothing and I was never able to restart the breaker again. Pretty weird everything seems correctly plugged.

As I understand :
- A Faulty capacitor is not supposed to affect the breaker?
- The motor fan is almost new (run great for at least 6 month before it stop)

My initial plan was to replace the fan but now I dont even understand this strange electrical problem. Look like a new fan will not be completely fix the problem.
 
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Old 05-29-17, 09:59 PM
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I guess by now that this is the blower on the air handler inside the house.

Very rarely does the blower motor cause the breaker to trip.
It is more likely you have a problem with the electric heating section.

We can't see what you have there. You need to post the make and model of the electric furnace.

It would be helpful to know what the amperage of the breaker that is tripping.
 
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