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John, Home Appliance Technician
Category: Appliance
Satisfied Customers: 13453
Experience:  Appliance repair business owner for over 43 years.
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I have a westinghouse dishwasher SB907WJ*10 ser 712 42310 it

Customer Question

i have a westinghouse dishwasher SB907WJ*10 ser 712 42310
it goes through the cycle ok but is not heating the water
the heater unit has a resistance of 26.5 ohms can you help me as to where the problem is
Submitted: 11 months ago.
Category: Appliance
Expert:  bonzaco replied 10 months ago.

Disconnect the heater and connect your multimeter to the heater leads on AC voltage and then see if youa re getting any voltage at the heater cable ends - Ian

Customer: replied 10 months ago.
had voltage for a short while then nil
Expert:  bonzaco replied 10 months ago.

OK as you have a reading through the heater but you I not getting constant power to the heater I would suggest you have a main pcb fault or your temperature sensor is defective. First thing I would do is check that the NTC temperature sensor has a resistance and that it varies as you change its temperature. It looks like this -