Question about Kenmore Dryers
The thermal fuse is actually not part of the heating circuit but rather part of the motor circuit. The heating circuit is composed of the heating element, thermal cut-off, high-limit thermostat, timer, centrifugal (motor) switch, and the cycling thermostat depending on the model number of your dryer. All of these components are wired in series and failure in any of them results in the dryer not heating. Check for 240 VAC from the power outlet before proceeding with the troubleshooting.
Check the continuity of these components except the centrifugal (motor) switch which activates only when the motor is running. The cycling thermostat, if there's any, is located on the blower housing just on the right side of the thermal fuse. If your dryer has the thermistor instead of the cycling thermostat, no need to check it since it is not a part of the heating circuit.
The high-limit thermostat and the thermal cut-off are located on the heater housing. You simply bypass them including the cycling thermostat, if you don't have a volt-ohmmeter, by taping the wires together or jumping a wire between the terminals.
Check the continuity of the timer by turning it to any heat setting then check the continuity between each of the plug prongs and any of the thermostats or thermal cut-off terminals. You should get continuity with one of the plug prongs if the timer is good.
You can deduce that the problem is with the centrifugal (motor) switch if 240 VAC is present, the timer is good, and the thermostats and the thermal cut-off have continuity or bypassed but the dryer still doesn't heat up.
Please indicate the exact model number of the dryer for more specific troubleshooting advice or if you need further assistance. You don't have to accept or reject and rate this post to add information or post comments and follow-up questions. But accepting the solution will not stop you from communicating with the expert. You may continue communicating with the expert as long as you need assistance regarding the issue stated herein.
Posted on Sep 16, 2010
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Posted on Jan 02, 2017
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