Earth Stove MP35/50 startup issue

Mspath Posted By Mspath, May 13, 2019 at 10:04 AM

  1. Mspath

    New Member 2.

    May 13, 2019
    Old Forge, NY
    Hello Folks:
    Thank you for providing this forum. The Earth Stove MP35/50 has been discontinued since the late 90s so I hope someone is still out there who can point me in the right direction.
    I went to open up our camp in Old Forge and startup our pellet stove. The startup cycle was not filling the firepot with pellets.
    I looked through the manual and found the diagram that showed the Safety disk as the gate keeper to the auger motor and the cup motor so I tested both sides of the disk and saw voltage on only one side.
    When I shorted the disk the auger started to operate. I thought ok, a bad disk, went into Utica and bought one.

    I was heading back home so I did not install and retest. I'm second guessing my diagnosis because the disk should have been open when I tested. It is designed to close at 110 deg. F and open at 90 deg. F.

    Looking at the wiring diagram (attached), it seems that could be the culprit. Please let me know what you think.

    Attached Files:

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