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Jacuzzi J320 3 dashes on control panel and nothing works.Is this the temp sensor?

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Just installed new topside panel,control transformer and temp sensor on my jacuzzi tub. turned power on and i hear a cllick sound from the control panel and i get 4 dashed lines on the screen

sounds like a circuit breaker. im sure by now you have double checked your work? make sure all your connections are tight. check any inline fuses or for a tripped curcuit. often times these things are so simple that you miss them completely, im guilty of that myself.

Nov 17, 2016 | Jacuzzi Home

1 Answer

I have a Jacuzzi spa with a Balboa R576 (522205) control box. The control panel constantly shows "OH" (overheating) even when the water temp is 50-100 degrees F. When I reset the system by flipping the...


There are some things to check.
Make sure the vents on your cabinet are not obstructed.
Make sure your filter cycle is not too long
Make sure you are not running high speed for more then 30 mins.

Have you looked through the Balboa error message site. I have attached a link follow your error through and you may find your answer. Diagnostic Messages

Mar 02, 2015 | Balboa BB58048 Jacuzzi R574 R576, 4.0KW,...

1 Answer

I have a jacuzzi premier hot tub but the control panel only shows four dots and doesn't work anyone know why

four dashes on the control panel usually means there is a water temperature unknown. This usually happens when the water is changed.

US Parts Center

Apr 04, 2014 | Home

1 Answer

Do I have the correct controller for my Hot Tub? I have a Jacuzzi Lexus L.C. with a Balboa F1089R1A processor. I ordered a topside control panel online and received a Balboa VL701S but nothing is working...

Curios, why did you order another control panel? I need some history, when it worked, how it failed, any other information like if it was moved or rewired for power...etc.

Nov 13, 2013 | Jacuzzi Home

1 Answer

Jacuzzi hot tub will not reach temp pumps do run?

If your hot tub is running but NOT heating then you need to look at a couple of things.
First, on the topside, is the heat indicator light on?
If it is on and the tub is not heating then the temp sensor or the high limit sensor is not working and need to be replaced.
US Parts Center

Oct 22, 2013 | Jacuzzi Home

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The water does not get hot just warm it is a brand new jacuzzi spa

Check the Temp Sensor and the High Limit sensor on the system. Make sure the heater light is coming on. if the heat light is not on then the pressure switch is not working but I am thinking more like the Temperature Sensor is not working.

Jan 12, 2011 | Jacuzzi RapidHeat In-Line Heater U395000 [...

2 Answers

Can't unlock jacuzzi hot tub control panel

control panel not working, cannot control or work control buttons, stays in econ mode all the time. Nothing else works.

Nov 27, 2010 | Jacuzzi Pool & Spa

1 Answer

I have a Jacuzzi spa that has a FL on the read out.

the FL code is usually an insufficient flow fault. you may have a dirty filter or a faulty flow switch/sensor.

Dec 27, 2009 | Pool & Spa

1 Answer

What is the freeze protection temp on a jacuzzi pump set at?

Pumps don't usually have freeze controls they will usually be in another control. Most are set at 38-40 degrees. All are different by brand but I think any run below 36. Be sure that your air temp sensor is OK if your having trouble, This will show on your control pad, and your temp sensor should be located below your control box by your equiptment. Hope this helps, good luck.

Dec 06, 2009 | Jandy Aqualink - Rs24 One Touch Pool / Spa...

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