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We have a jacuzzi j340 it us showing 356 on the control panel and won't turn on what should we look at to fix this?

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Posted on Jan 02, 2017

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SOURCE: I have a jacuzzi corner tub. The control panel

I would expect there is a Jacuzzi dealer in your town and I would guess he has parts. If you purchase parts locally, not only are you helping your neighbor but also, you will have the opportunity to pick his brain on tips to install.

Thanks for your interest in FixYa.com.

Posted on Feb 20, 2010

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SOURCE: My jacuzzi J340 2002 is flashing the code FLO2. What happens if I continue to run the tub with this code displayed? Thanks to anyone that can help me.

flow switch error code, malfunctioning closed. do not use until you have rectified the error. use a jacuzzi authorized repairman/woman.

Posted on Jan 01, 2017

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1 Answer

My jacuzzi J340 2002 is flashing the code FLO2. What happens if I continue to run the tub with this code displayed? Thanks to anyone that can help me.


flow switch error code, malfunctioning closed. do not use until you have rectified the error. use a jacuzzi authorized repairman/woman.

Jan 01, 2017 | Jacuzzi Home

1 Answer

Error 356 then breaker kicks out


If your referring to a jacuzzi, your problem is a blown capacitor. You can inspect the board yourself to see if any of them are rounded on top. They look like mini soda can shaped objects protruding from the control board. They are dangerous to replace without knowledge of their functions, however are relatively cheap to replace.

Nov 10, 2016 | Office Equipment & Supplies

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How do you replace jacuzzi 3 Position Control Panel Kit?


here is a sheet with instructions that show how to remove the graphic rings that hold the buttons in place.

Aug 15, 2014 | Jacuzzi Home

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I have a J340 Spa that is throwing the watch dog mode --- error code. I have replaced the temp sensor and the circuit board. Can a malfunctioning circulation pump cause this problem. Thanks.


yes, it can as can the hi-limit as well.

Is the watchdog, consistent or does it show up every now and then?

If not consistent: then it is an indication that there is a "Potential" problem, not necessarily always indicating a problem is there. Power fluctuation will cause this as well.

You may need to monitor for a while.

May 21, 2014 | Jacuzzi Pool & Spa

1 Answer

Jacuzzi hot tub troubleshooting


It sounds like a may have a faulty pressure sensor. What I suggest is to verify all small wire plugs "push them in" and also make sure all gate valve are still opened.sometimes they may close by themselves if the tubes that keep then open fell off. Also, some of these units have multiple pump and u may have burned a few in the primary pump.
Good lyck

Jun 01, 2017 | Home

1 Answer

I have a Jacuzzi J340 Hot Tub. I am having trouble with the heating. When the pump is on, the water circulates just fine. once the heater kicks on, it runs for about 10 seconds, then clicks to OH, and...


make sure the heating element isnt touching the casing inside the heating tube. if its an indoor tub, make sure the filtration cycles are not set to constant. constant filter cycles on an indoor tub will generate residual heat from the circ pump running 24/7, causing tub to heat past 104 degrees

Sep 15, 2013 | Jacuzzi Pool & Spa

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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 corner tub. The control panel


I would expect there is a Jacuzzi dealer in your town and I would guess he has parts. If you purchase parts locally, not only are you helping your neighbor but also, you will have the opportunity to pick his brain on tips to install.

Thanks for your interest in FixYa.com.

Feb 20, 2010 | Whirlpool 5' Jacuzzi Tub Bathtub Cetra...

1 Answer

Redout on jacuzzi spa model j340 has --- code.has been working


The condition you see on the topside control is known as "watchdog" Which usually means that the spa thinks it's "overheating"
Turn off the power to the spa for a couple of minutes, then restart, Watch the topside control if the temp. starts to climb & read a lot hotter than the actual water temp. Then it goes into watchdog, most likely you have a bad temp sensor. In some cases just resetting the spa will clear the watchdog & everything works fine. (Voltage fluctuations, "spikes" can freak out the electronics & the tub goes into watchdog to protect itself) If the spa immediately goes into watchdog when you reset it, you might have a bad board. (Let's pray it's not) 90% of the time it's a bad temp. sensor.

Jan 12, 2009 | Home

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