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Why is my dishwasher tripping the GFI when the heater turns on, is it the thermal fuse, heater or thermostat?

This is a portable Kenmore dishwasher model 665.17822000 that keeps flipping the breaker when it starts to heat. It pumps water in and out fine. It also washes fine. Quick rinse finishes since it doesn't use the heater. the digital display seems to work fine. I have visually inspected the mother board, heater, thermostat and thermal fuse and they all look fine. I am not good at reading the ohms across the wires, but do have the manual that gives the ohms. It seems that all three parts are in stock, but I don't want to purchase all three if I don't have to.
What part do you suggest that I replace first?

Dishwashers , Kenmore , Building Supplies
1 Answer from this member:
Joey S
by Joey S Earned 114,530 community points in Kenmore
July 28th, 2009
0 votes
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