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Thread: Pentair MiniMax Plus 400 Heater not turning on

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    Join Date
    Jun 2015
    Location
    CA
    Posts
    2

    Pentair MiniMax Plus 400 Heater not turning on

    No lights on panel. Tech came to the house and determined problem was transformer. Transformer replaced. No change to symptoms.

    Thoughts?

    thank you in advance.

  2. Back To Top    #2

    In the Industry

    Join Date
    Jun 2015
    Location
    Wildomar, California
    Posts
    423

    Re: Pentair MiniMax Plus 400 Heater not turning on

    Most of the MiniMax heaters have a door disconect button that disables the heater if the front door is off, check that. Make sure the power source is on, time clock, breaker, etc. Check all wire connections. If all those fail, replacement of the circuit board is probably the issue. It would be wise to invest in a multimeter to test these types of issues. Always be careful when testing electricity.

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