@edges the cycling thermostat is definitely what I would change next. The hi temp will stay high without a functioning cycling thermostat. My concern are those "burnt shavings". Take a couple of pictures if you can of what this all looks like and post those with your QUESTION so we can see what you see. Also, do not forget to check the airflow , so check your blower and check your exhaust vent.
[guide|21499]
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Here is the service manual for the DE series [document|28439] Not the greatest but a start.
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Here is the service manual for the DE series [document|28439] Not the greatest but a start. the thermostats are usually in the blower housing.
@edges the cycling thermostat is definitely what I would change next. The hi temp will stay high without a functioning cycling thermostat. My concern are those "burnt shavings". Take a couple of pictures if you can of what this all looks like and post those with your QUESTION so we can see what you see. Also, do not forget to check the airflow , so check your blower and check your exhaust vent.
[guide|21499]
+
+
Here is the service manual for the DE series [document|28439] Not the greatest but a start.
@edges the cycling thermostat is definitely what I would change next. The hi temp will stay high without a functioning cycling thermostat. My concern are those "burnt shavings". Take a couple of pictures if you can of what this all looks like and post those with your QUESTION so we can see what you see. Also, do not forget to check the airflow , so check your blower and check your exhaust vent.
[guide|21499]