Tip & How-To about Frigidaire FEX831CS Top Load Stacked Washer/Dryer
The example is referring to Frigidaire electric dryer model FEX831CSO. If you have a different model see here how to locate parts and diagrams: Where do I find parts and diagrams?
First part to test is the thermal fuse located at the back of the appliance. This is tested reading Ohms on fuse contacts. follow procedure explained further below to test the fuse.
If the fuse is not the culprit, it will be neccessary to access heater assembly and thermostats.
You access the heater parts by opening the top panel, part 3 on diagram below.
The heater assembly is part of the housing, and it is part 15 on diagram.
Replacing the heater requires further disassembly, first ensure that the problem is not a defective thermostat or thermal limiter. The thermostats fails far more commonly than the heater.
To test heater and thermostat use a multimeter set at Rx1. disconnect the thermostat contacts and read impedance at room temperature.
If the thermostat is good it will read zero or very low impedance.
An alternative way to test a thermostat is by jumping its contacts.
The element is also tested reading impedance. If the element has no continuity (infinite Ohms), then it must be replaced, otherwise it is good.
Test both the thermostat and the Thermal limiter, they are tested in the same way. Both this parts are accessible after removing the top panel, and can be replaced without further disassembling.
Here the parts:
Thermostat:PS446428 part 33 in diag.
Thermal limiter:PS419402 , part 36 in diag.
Test and repair must be done by a trained person. Call the phone number listed on the user manual if you need to contact a qualified technician.
Posted by Ginko on
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