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My high temp limit keeps tripping on air ease mod# rpge13a60100p-3a

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Is this electric heat?

Posted on Apr 24, 2017

Testimonial: "no gas, the housing around the burners is getting to hot and trips hi temp limit."

  • Thomas Woodburn
    Thomas Woodburn Apr 24, 2017

    I don't know gas but 9 times out of 10 it is an air flow issue. Either fan not running fast enough, dirty filter or diffusers closed. It is possible the limit is bad. Good Luck!!

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I have a dyno glo rmc-fa100dlx forced air heater. It will light and work for a few minutes, up to about 5, then it will stop heating and the fan will keep blowing. any ideas? thanks!


If the unit comes on and runs but then shuts down, that sounds like an indication of a high limit trip.

Most, if not all, furnaces have high limit switches that keep a constant check on the temp inside the furnace or air handler. On most systems, once this high limit switch has been made (got to hot), the limit switch breaks control voltage to the heating device (strips, gas, fuel, etc.etc..). The blower motor continues to run until the high limit has dropped in temp and reset itself.

On some models, the high limit is a manual reset, meaning you need to reset the switch yourself or shut the unit off and then back on to reset it.


Check all filters and replace as necessary. Check the coils and fan blades for dirt build-up and cleanliness. Check motor belt (if applicable). If all these fail to solve the problem, then your issue either lies within the blower motor itself not moving enough air for proper heat transfer. Or the high limit switch itself is failing.

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Sounds like the limit switch is not bad ...... its just doing its job. You need to determine why he furnace is overheating. Are your filters clean? Is your blower wheel clean? Is your blower motor running fast enough? It might be set on to slow of a speed. The blower motor capacitor could be bad. Are all of your air vents in the house open? Are your return air registers blocked? Is your duct work properly sized? Put a thermometer in the return air duct. Note the temp. Now stick the thermometer in the plenum. Note this temp.. Subtract the high temp from the low temp. This number should fall within the temp. rise rating found on the data plate inside the the furnace on the same sticker as th model and serial numbers. If your temp. is above the suggested temp rise. you have an air flow problem. If it is within the suggested temp rise listed then your high limit control should be replaced.
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If your unit has an LED light, count the flashes and it will hepl popint out the problem.
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possible dirty air filter low air flow causing high temp in fire box to trip limit switch or fan motor is bad hope this help let me know if you if this solved problem I may need more info

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