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I have a Carrier Air Handler with a 10KW Heater Package inside. I am concerned that the heating elements in them are not getting as hot as they should be when auxiliary heat is called for. When I looked through the inspection hole one element appears to be glowing much brighter than the other one. They both appear fine and both have 10 ohms across them when I put my meter on them. Is it possible that the limit switch might be causing it not to get as hot as it should?

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The difference in glowing may be due to the airflow across the elements. the best way to check the elements is with a clamp on amperage meter. You can also check for 240 volts at the elements if 240 volt power is not present it may be the sequencer or limit switch that is the problem. Hope this helps.

Posted on Dec 30, 2013

  • Tom Dixon
    Tom Dixon Dec 30, 2013

    Thanks. I threw my amp meter on both elements and have 19.7 Amps on both. Also have 240v across each. Maybe it's my imagination...... Thanks for the help.


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SOURCE: Whirlpool Duet Dryer - Working but no heat

it sounds like your heating element is gone bad. there is no heat if they burn out or get corroded

Posted on Jun 29, 2008

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SOURCE: maytag neptune drying center

I apologize for not getting back to you sooner. Look for a thermal cut-out, thermal fuse, along with the Hi-Limit Thermostat inside the dryer. Some manufacturers call them thermisters. These components act as fuses and are designed to protect the dryer heating circuits from overheating. If these components fail, they will open like a fuse. They are not resettable (one shot) and must be replaced. The manufacturer places a wiring diagram inside the operator console. These components should be listed on that diagram, and are generally mounted in close proximity to the heating element. The manufacturer also recommends that you replace the hi-limit thermstat and the thermal cut-out (fuse) together if either is found to be bad. They are commonly sold as a set. If you go to and type in your complete model number the components I mention are listed under the "Cylinder, Heater and Bulkhgead" heading as items 17 and 21. I hope this helps you. Let me know if I can be of further assistance.

Posted on Sep 14, 2008

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SOURCE: No heat in a Profile

The thermistor at the back of the dryer is the inlet thermistor and it has a normal resistance of around 2270 ohm at room temperature, not zero. A zero resistance means the inlet thermistor is shorted and the control board sees it as an overheating condition and does not activate the heater relay. Replace the inlet thermistor with part number WE04X10111.

The thermistor on the blower housing is the outlet thermistor and it has a normal resistance of around 10000 ohm at room temperature. The heating is good at 17 ohms and inlet safety thermostat and the high-limit thermostat on the heater housing and the outlet safety thermostat on the blower housing must all have continuity.

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Posted on Jul 22, 2011

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