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yes open all fuses close the primary neutral tap,remove secondary leads off of bad traansformer,tell customer to reduce his load until bad transformer can be replced.
No
Bad, really really bad.
Try it and tell me.
do you have a heatpump or a/c? if it is a heat pump you can,that is what happens when the system goes in to the defrost mode. if its freezing you could be low on charge or or bad defroster board or even worst a bad reverseing valve.
The same transformer can be both. It must be operated at the correct voltage on both windings.
3.5 TONS
Of course it is bad, whether it`s humming or not.
jelly car on ipod touch
well it could be bad or good just be safe
Usually gas or heatpump
how can you tell if a timing belt is bad