1. T

    Navien Water Heater (NPE-240S2 (NG)) in Constant Post-Purge Status

    I have a less than 2 year old, builder installed Navien water heater that has decided to be in a constant post-purge when it is not being used. The status alternates between POST-PURGE AND DHW-WAIT. I noticed this about a week ago as I heard a vibration upstairs and it was the water heater...
  2. LikeABigFriedEgg

    Can't get furnace fan to turn off

    I have an intermittent problem that my furnace fan sometimes runs when it shouldn't, and the only way to stop it is to shut off power to the whole system, thermostat and everything. It's happened a few times over maybe a couple years, I think. Last time was a couple days ago when it was stuck...
  3. Chevsky

    Rollout switch trips

    Nearing desperation with a furnace that's tripping flame rollout sensor. ICS/ComfortMaker RPJ-II LP gas furnace. Well, it's working now, but that's only after I tore down the furnace to inspect the heat-exchanger for cracks, removed and cleaned the blower cage fan, and disassembled and...
  4. Tanner23456

    Short Cycling

    My furnace is "short cycling" I believe. Typically he blower will turn on for about a minute and then shut off. I can hear the inducer motor running for a few minutes and then the blower kicks on for a normal amount of time to complete the cycle. There have been a couple of times that the...
  5. ih784

    Blower delay on Trane package unit

    Hello, I have a Trane package unit. I think I have an issue with. The fan on top of the unit comes on 30 seconds or a minute before the blower comes on and starts to push air through the vents. This only happens 1 out of 10 times of the heat pump coming on. A 15 microfarad capacitor was metered...
  6. mekanikman_402

    Ruud Silhouette 2 blower and inducer wont shut off unless power is killed

    New member here. I have an old Ruud Silhouette 2 75,000 BTU 80% upflow gas furnace from 1995, and ever since yesterday the blower motor and inducer stay on after every heat cycle unless I turn the power off to the furnace and wait about 15 mins to turn it back on. If I turn the power back on any...
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