Question about Jandy Aqualink Rs4 One Touch Control System Control System

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I have a Jandy Aqualink pool system. When I turn on the spa and heater, the spa drains..I've never had this happen but don't use the spa much. What should I check?

I'm not getting any error codes, but the spa drains when I turn it to spa and heat

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  • David Spradling
    David Spradling Nov 22, 2017

    also check cable see if cut

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  • Contributor
  • 60 Answers

His is not typically a control panel issue but more likely a valve issue.

Your valves are set as follows wih a few minor variations.....
Pool mode- sucks from pool skimmer and or pool vac line and returns water to both the pool and spa.
Spa mode - self contains the spa , meaning water is sucked from the spa and returned only to the spa.
If your spa is draining then most likely one of your electronic valves is failing...most likely it's the return valve so what is happening is the water is sucked from the spa and returned to the pool instead of self containing the spa.
Easy check is to be next to the equip when spa mode is selected and two valves should move and align properly, the return side valve is most likely not moving or it is not moving into the correct position.
The fix is either adjusting the valve acuator or buying a new valve acuator.
Another thing to check is on the main panel circuit board to ensure the return and auction 3 pin plug ins are still connected.

Posted on Apr 05, 2015

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  • Jandy Master
  • 6,498 Answers

See if the actuators are plugged in to in and out if on solar make sure to re assign jvas also check in set up make sure no programs or heater isn't activated with jvas

Posted on Jun 21, 2016

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  • Jandy Master
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I would agree with pool guy. If you put your automation system into spa mode, switching from pool mode, if it was a suction valve not turning, then your spa would overfill.

my guess is the return valve actuator, not turning. It is staying in pool return but the suction valve actuator turned. So water is now sucking from spa and being sent from the spa, and returning to the pool. In time = empty spa.

Posted on Apr 05, 2015

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  • Contributor
  • 57 Answers

One of your valve actuators is stuck or the switch is off. Itll be the valve actuator on the suction side. Look at the main filter pump, then follow the pipe going into the front of it to that actuator. Theres usually a switch on it, the switch may be in the off position, if it is in one of the on positions then you either have a bad actuator, a bad actuator wire, or a bad spot on the board.

Posted on Apr 05, 2015

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