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Old 06-09-2009, 08:11 AM
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Quote from the original post:

"I have a Carrier 5 amp fuse that blows"

Nowhere does it mention anything about a control transformer or the control side of the transformer.

Jnass made the first mention of a control transformer:
"If the 24 volt transformer is going bad it can blow the fuse"

Unless there is a direct short in the control transformer I don't think it is capable of creating enough load to blow a 5amp fuse,

On the other hand, as you mention, the motor would normally draw well under 5amps, but it is the only load capable of exceeding 5amps unless there is a direct short in the circuit.
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