What part is the heater?
What part is the heater?
Motor heaters look something like this: heaterelements.jpg and it appears that you may be missing yours. I believe the rectangular block just below the part that is labeled F-709 in your photo is where the heater should go. Can you take a clear photo of the label on the side of that piece of your panel?
Lee Schierer
USNA '71
Go Navy!
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That block below the 709 I believe is the overload block .... don't think this machine uses heaters. Instead, it has a reset button which is on the cover panel that goes right over this block.
On the other hand, I believe the OP should have a qualified technician to look at machine in person. For safety sakes!