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5 amp fuse burns out - Heating & Cooling

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  • tdhall2 Sep 20, 2009

    i figured out that the wires inside the unit were rubbing. everyone in my area has had this problem since they were installed by the same company


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Replace with the same rating fuse, but if still burn out or will not function then there is something wrong with the unit. You need a qualified technician for thorough checking.

Posted on Apr 08, 2008

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The 5 amp fuse on the board keeps blowing the transformer smoked i replaced that but it still blows the fuse when i install a new fuse.the contactor buzzes then the fuse blows.

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I have 60 amp circuit breaker on my electrical a/c heater with a 45 amp fuse. I had the unit for 7 years with no problem. This month the 60 amp circuit breaker keeps tripping when the heater goes off. The...

You're unit is a 31/2 ton according to the numbers.Normally, breakers will only be in a half way posistion when tripped. Yes, under most conditions, the fuse will blow before the breaker trips. I have seen this many times, the breaker may be weak, burned, loose wires and so tighten wires, check the condition of the breaker.It sounds like the breaker even though it is 60 amps, is the problem and you should replace it with out hesitating. This will solve you're problem. When you pull the breaker out, look at the metal clips that snap in on the buss bar to see if they have been overheating.And the buss bar its self. You will know. I am sure this will take care of you're problem. Good Luck,

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