Question about Refrigerators
Heating wont come on
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Posted on Jan 02, 2017
The reason the heater is cutting out is because it is getting too hot or it thinks it is too hot...
Check the filter and also that enough air vents are open so it can move enough air....make sure the gas pressure is correct and that the flame is not too high. Check that the blower is working correctly and starting up when it should. Check the post purge... make sure the blower is running to remove residual heat after the flame shuts down.
If all that checks out then you may have a bad sensor or control module, but they are much more difficult to troubleshoot.
Bottom line is that for some reason you are either getting too hot or the furnace is sensing too hot of temperatures and shutting down.
Posted on May 24, 2011
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