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Short Cycling Help

Josh1520
Josh1520 Member Posts: 1
in THE MAIN WALL
My gas furnace turns on for ten seconds, then shuts off -- at all hours of the day and night. I called the landlord and they sent a guy out to replace the thermostat, but it still happens! Weird thing is, my new thermostat has an off switch that locks the magnet thingy away from the level thingy. It still short cycles in the "locked off" position. I have also set the heat anticipator to the longest setting. Do I have a ghost? It has turned on three times since I started writing this post!

Comments

  • nicholas bonham-carter
    nicholas bonham-carter Member Posts: 8,578
    ghostly short-cycling

    tell him to check the limit switch in the furnace, and also check the filter for blockage--nbc
  • Jamie Hall
    Jamie Hall Member Posts: 24,110
    The thermostat it's not...

    But there are several controls on the furnace itself which could be doing it.  As NBC says, the limit switch is the most obvious culprit.
    Br. Jamie, osb
    Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England
  • unclejohn
    unclejohn Member Posts: 1,833
    What is running

    The indoor blower or the gas burners or both.
This discussion has been closed.

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