vinyljay69 Posted December 3, 2017 Report Share Posted December 3, 2017 Hello all, I have a Viking Legend spa that was manufactured in early 2014. After changing the water, the main pump has begun to pulse and surge when the high jet is turned on. It seems to run fine in low, normal circulation mode. (The second pump seems to be running without issue.) The spa was not run without water covering all the intakes, but it was run without the filter so I could perform a deep cleaning with Spa Purge. Turning the power off and allowing the pump to re-prime did not fix it. Does this sound like an air pocket issue? If so, how do I correct it? I'm a novice, but have tools and can follow directions well. :) Thanks in advance for advice and help. Jay Quote Link to comment Share on other sites More sharing options...
Rlwalker09 Posted December 4, 2017 Report Share Posted December 4, 2017 Man---wife and I just got out of our month old Jacuzzi J325. I restarted the jets to add some shock oxidizer, and same thing. Jets come on for just a few seconds, stops, pulses on, stops..Didnt mean to hijack your thread, but it was literally first thing I saw after logging in. In my case, only 1 pump, and if I divert to the front seats it stops surging. Diverting to the back it surges, and center position surges. I shut off power at the breaker and restarted it, no change. Any suggestions would be appreciated..Sorry again Jay-maybe we can both get some help Quote Link to comment Share on other sites More sharing options...
castletonia Posted December 4, 2017 Report Share Posted December 4, 2017 Sounds like low water level or dirty filter. Quote Link to comment Share on other sites More sharing options...
Rlwalker09 Posted December 4, 2017 Report Share Posted December 4, 2017 Well jeez...I feel pretty dumb now...was water level...thanks so much!!!! Quote Link to comment Share on other sites More sharing options...
castletonia Posted December 4, 2017 Report Share Posted December 4, 2017 Your welcome! It doesn't take much, I have had water levels on my floor models get about a 1/2" too low and cause the surging. On most hot tubs, pump 2 does not pull through the filter, which is why it runs fine. Quote Link to comment Share on other sites More sharing options...
Brian H Posted May 5, 2020 Report Share Posted May 5, 2020 We have an Aquarest Plug and Play it has worked perfectly for one month. suddenly it started surging. Our water level is good. Our filter is very clean. all the lights on the panel are flashing, along with the surging. when the lights are flashing, you cannot get any of the ‘buttons’ to work we have unplugged it several times...it didn’t fix the problem. once...when we stopped the jets (stopped everything) it quit surging for a day. When I got in the next day, the jets were running fine. Without thinking Inhitnthenjets button...and it started surging. Every 30 when the jet cycle kicks in, it is surging. we can’t get hold of the manufacturer to ask about this. help! Quote Link to comment Share on other sites More sharing options...
castletonia Posted May 6, 2020 Report Share Posted May 6, 2020 Run it without the filter to confirm the filter isn’t dirty. Just because it looks clean doesn’t mean the pleats are not saturated and restricting eater flow. 1 Quote Link to comment Share on other sites More sharing options...
brad Williams Posted April 7, 2021 Report Share Posted April 7, 2021 mine is doing the same thing so i changed filter and made sure water level is ok, still pulsates but runs fine with filter out Quote Link to comment Share on other sites More sharing options...
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