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Thread: Reset Procedure for Duo-Therm Control

  1. #1
    Join Date
    Aug 2008
    Location
    Walla Walla, WA.
    Posts
    504

    Default Reset Procedure for Duo-Therm Control

    I can't find my directions for the reset procedure to reset the control panel for the Duo-Therm temp controller. Can anyone help?

    Thanks

  2. #2
    Join Date
    Mar 2008
    Location
    Pismo Beach CA/Fortuna Foothills AZ
    Posts
    608

    Default

    Quote Originally Posted by LarryB View Post
    I can't find my directions for the reset procedure to reset the control panel for the Duo-Therm temp controller. Can anyone help?

    Thanks
    Larry,

    Is that a fancy way of saying thermostat? Should it be your main t stat if off/on doesn't do it you probably need a new one, they tend to be fragile.

  3. #3
    Join Date
    Aug 2008
    Location
    Walla Walla, WA.
    Posts
    504

    Default

    John, Not the 'T' stat, the 4 button controller for the airs and webasto. The unit worked ok until the bus was completely powered down for some inverter work, and the tech forgot to reset the controller.

  4. #4
    Join Date
    Mar 2008
    Location
    Pismo Beach CA/Fortuna Foothills AZ
    Posts
    608

    Default

    Larry,

    You say potatoe, I say patato...... That little unit controls the heating and cooling off the roof air's, in the "furnace" mode it starts the Webasto. Mine failed some time ago, installed a new one. One card, a LED screen and a few jumpers, all connected to bell wires from the EEC. I would spray clean the thing first, if no help then use the old one as a template for the connectors and jumpers; sorry, don't think that it has a reset mode. I spect that it is easy to fry.

  5. #5
    Join Date
    Aug 2008
    Location
    Walla Walla, WA.
    Posts
    504

    Default

    OK, John I'll check into changing it. Our vintage buses have the 4 button controllers and they are hard to find. The 5 button are plentiful, that is the way it goes. Murphy!@!

  6. #6
    Join Date
    May 2006
    Location
    Diamondhead
    Posts
    447

    Default

    I had a 5 button controller installed after the 4 button gave me trouble. A new board was put in each unit and it has eliminated all problems. What a pain it was to use the short finger method to change settings. Dan
    Danss 1999 Vogue, 03 Chev. Trailblazer

  7. #7
    Join Date
    Nov 2006
    Location
    Montrose
    Posts
    188

    Default

    I purchased a rebuilt 4 button on Ebay last year and it works great. A guy in Colorado rebuilds the 4 button. The cost is $85 excahnge plus $10 shipping. Our Royale has two of the 4 button stats. One in the front for the front zones and one in the rear for the rear zones. Thought if the new lasted 9 years maybe the rebuilt will last 5 years.

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