Pentair Mastertemp 400 Pool Heater not firing and making this strange noise

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dgp281
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Joined: Fri 09 Apr, 2021 12:42
My Pool: 18,000 gallons, Pentair Mastertemp 400 heater

Pentair Mastertemp 400 Pool Heater not firing and making this strange noise

Postby dgp281 » Fri 09 Apr, 2021 12:46

Not getting any error codes, here is the video below so you can hear the sound, any ideas?

https://vimeo.com/manage/videos/534959311


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