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It is currently May 25th, 2012, 7:30 am
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jhindmon
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Post subject: Pentair Minimax NT 400 TSI won't fire  Posted: November 28th, 2010, 5:40 pm |
Joined: May 19th, 2010, 9:10 pm Posts: 2
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Hi guys ... love the forum -- full of so much great info! I used some info on here last year to get a bad thermistor replaced to fix my Minimax after I bought a house with a pool and it worked like a champ ... until now. Now I have a new problem.
My 400 TSI now no longer fires. The "Power" LED and "Pressure SW" LED both light up green, however nothing else on the control panel light up at all, and the system doesn't fire or respond at all to any button presses on the front. Not even the 3 -digit spot for error codes or the temp -- just dead. Does anyone have any ideas? Could it be a fuse? Circuit board? I'm not sure where to begin.
Thanks in advance for the help! -Josh
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Poolschoolgrad
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Post subject: Re: Pentair Minimax NT 400 TSI won't fire  Posted: November 28th, 2010, 8:09 pm |
Joined: October 4th, 2010, 8:51 pm Posts: 317 Location: Georgia
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Here is a link to the owners and service manuals for the minimax series heaters. http://www.pentairpool.com/pool-pro/man ... n.php?s=28Most likely the DDTC control board is faulty. Pentair's Technical Service Department: (800) 831-7133
_________________ poolschoolgrad
20x40 free-form IG vinyl, 1hp Hayward superpump, Hayward pro grid DE filter, Raypak heatpump, Goldline Aquarite SWCG, Polaris 280 with booster, and tested using a Taylor K2006.
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cadillac
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Post subject: Re: Pentair Minimax NT 400 TSI won't fire  Posted: December 3rd, 2010, 4:23 pm |
Joined: December 22nd, 2008, 8:31 am Posts: 71
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the next circuit checked after the pressure switch is the thermistor. However, you could have multiple issues if your display is blank too.
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