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Thread: Mastertemp 400 Heater doesn't shut off.

  1. Back To Top    #1

    Mastertemp 400 Heater doesn't shut off.

    When my scheduled pool filter session was over today, I heard my Mastertemp 400 heater turn on. I've always had to turn it on manually. I went to the Easytouch panel to turn it off. It turned off... for about 10 seconds. It came right back on.

    I tried using the poolside control, same thing.

    I came in the house and used the inside controller.. same thing.

    I looked at the schedules - nothing listed for the spa. Temp set at 104. The only way I could get it turned off was to set the temp at 80. The touch pad seems to be working fine, because I can shut it off... but something is telling it to stay on.

    I tried calling Pentair (it's all under warranty still) and had 6 phone calls dropped.

    Any thoughts on what I can check? Thank you in advance!
    Helen
    Dallas Area, 16,000 gal IG, Easytouch 8 computer, Intelliflo 3HP Variable Speed pool pump, Pentair Smart Pump 4x160, Pentair 3/4 HP Booster Pump, FNS 60 DE 60, Mastertemp 400, Rainbow 320, Dual Timer w/ freeze protection, Intellichor SWG, TF100 Test Kit, POOL FILLED AUG 3, 2012, ORDER YOUR TF100 KIT FROM http://tftestkits.net
    http://www.troublefreepool.com/under...ie-t49936.html

  2. Back To Top    #2

    Re: Mastertemp 400 Heater doesn't shut off.

    I would suggest turning off the power and gas to the heater until you can get the problem resolved.

  3. Back To Top    #3

    Re: Mastertemp 400 Heater doesn't shut off.

    Thank you, I can do that.
    Helen
    Dallas Area, 16,000 gal IG, Easytouch 8 computer, Intelliflo 3HP Variable Speed pool pump, Pentair Smart Pump 4x160, Pentair 3/4 HP Booster Pump, FNS 60 DE 60, Mastertemp 400, Rainbow 320, Dual Timer w/ freeze protection, Intellichor SWG, TF100 Test Kit, POOL FILLED AUG 3, 2012, ORDER YOUR TF100 KIT FROM http://tftestkits.net
    http://www.troublefreepool.com/under...ie-t49936.html

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