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Sundance 850 Blank Screen and No Operation


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Hello,

My Sundance displays a blank screen. I attached a video of the screen while turning on power, and at 18-20 seconds it flashes 108 deg then 104 deg quickly before a few dash marks then blank.

Is this a Sundance code that can help me diagnose my problem of no display or spa operation?

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Video unavailable. Might find some information here: http://jacuzzipartners.com/knowledgelibrary/assets/pdf/681.pdf

first remove filters for testing. Remove them from the equation.

I would test all fuses

I would be looking at the sensors if fuses all good. 

There is a sensor recall by Sundance/Jacuzzi. What year/month was your spa made?

https://www.jacuzzi.com/en-ca/recall.html

 

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Thank you for the link to the manual — appears very helpful.

The year is 2002. Put in a cleaned filter, all fuses had no resistance when removed, put in a cheap eBay temp sensor and found the limit sensor loose so re-glued into place.

Will follow the manual steps carefully in the next day or two.

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