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Kenmore dryer has quit making heat for drying , the dryer functions are all working just no heat.

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The following link explains how to troubleshoot a dryer no heat problem:

http://www.fixya.com/support/r630242-dryer_runs_but_not_heat

The first step in troubleshooting this problem would be to check the voltage at the terminal block in the back of the dryer. This is where the dryer cord is installed. You should be reading 220-240 VAC across the two hot (RED & BLACK) leads. Checking the voltage in this manner not only verifies the source voltage, but also verifies the cord is good. CAUTION: Use extreme care when checking the voltage at the terminal block. The terminals are LIVE even when the dryer is shut off. I would recommend unplugging the dryer temporarily to remove the back cover plate over the terminal block to prevent the possibility of electric shock. With the terminal block cover removed, plug the unit back in and take your readings. If the voltage is incorrect, you may have a defective wall receptacle, or a breaker tripped.

NOTE: The dryer will still run with only half the voltage present. This is because the drive motor only utilizes 110-120 VAC to run. The heating circuits require the full 220 in order to work.

Pay particular attention to the section that discusses proper air flow. Most dryer heat related problems are caused by clogged, kinked, or poorly installed exhaust ventilation. A dryer needs proper air flow in order to dry efficiently. If the air flow becomes restricted, the dryer heating circuits will actually overheat to the point of failure. The most common failed item is the thermal cut-out (TCO). This component is designed to blow like a fuse in an overheat condition. Once blown, it must be replaced. You need to check all the heating circuit components in order to rule out multiple component failures, though.

If you determine the TCO to be defective, it is strongly recommended that you replace the hi-limit thermostat at the same time. These two components are often sold as a set. Failure to do so may result in premature failure of any components you replace.

The reason I mention emphasize air flow so much is because if you replace any defective parts, and leave the dryer in a condition where it is starved for air, you will damage those same parts again. So, if you haven't cleaned your dryer exhaust vents any time recently, you may want to do this, first.

If you have questions along the way please let me know. I hope you find this information helpful.

Posted on May 19, 2009

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