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Fuse Problem Fuses keep blowing

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  • bchrdn Jan 24, 2009

    runs for 20 mins then shuts down always 2nd or 3rd fuse in Disconnect Assembly

  • bchrdn Jan 25, 2009

    60 amp fuse electric heat seems to be the disconnect assembly

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Which fuses, and exactly what is going on when the fuse pops?

Do they pop emedialty when power is turned on?

Posted on Jan 24, 2009

  • 1 more comment 
  • Danny Clark
    Danny Clark Jan 24, 2009

    OOOPS!! that was supposed to be a "clarification request."



    Obviosly that question will not solve your problem. Would you be so kind as to wait until we have looked further into the problem in order to have a chance to solve it before rating the "solution"?

  • Danny Clark
    Danny Clark Jan 25, 2009

    OK that means that there is a specific component that is pulling to high of an amp draw.

    Most likely a motor.



    After the unit has been running for about 15 min, check the amp draw on the blower motor. Let me know what that motor is pulling.



    Also let me know what amp fuse keeps blowing.



    Is your system a heat pump, gas furnace or electric strip heat?



    With a good amp meter, a little patience and some trouble shooting we can get this problem solved.



    (and maybe result in a better rating eh?)

  • Danny Clark
    Danny Clark Jan 25, 2009

    Ok, in order to diagnose the problem, we have to know the amp drw on the blower motor, and each heat strip.



    We also have to know the total amp draw on the furnace when all the strips are going.



    You probably have a fan motor thats going bad, or possibly a heat strip problem. We can help verify or eliminate each as a problem once you check the amp draws as I suggested.



    Let me know what those amp readings are.

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