What is the role of the thermister in USSC pellet stoves

Tim_ martell Posted By Tim_ martell, Nov 26, 2017 at 9:05 PM

  1. Tim_ martell

    Tim_ martell
    New Member 2.
    NULL
    

    Nov 22, 2017
    6
    0
    Loc:
    Wells, maine
    I have an Ashley 5500xl which runs great for about 10 min. The convection fan comes on and a few minutes later the exhaust fan slows down to about half speed from 116V to about 60Volts. If I shut off the stove and immediately power it back on, it will run at full speed for about 8 minutes then drop the exhaust fan back down to 60Volts. Any ideas if a faulty thermister would do this? I ohmed it to about 1.2million ohms cold and around 80k at operating temp. Any help would be appreciated
     
  2. bob bare

    bob bare
    Minister of Fire 2.
    NULL
    

    Oct 31, 2013
    2,035
    352
    Loc:
    park county montana
    Without research,the thermistor turns on the convection fan,and also acts as a "proof of fire" switch,to keep auger running,but did not research it,could
     

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