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2014 Jacuzzi J-345 circulation

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Hottubguy:
Press jet 1 and cooler button for three seconds.  Scroll to C6 and press the pump 1 button.  That should change it

BigDaddysBBQ:
Circulation Update....

I talked with a tech at Jacuzzi and the 2014 model has had some revisions in their controls logic.  Evidently if you adjust the temperature up and or down while using the tub, it interrupts the tubs preset program.  By doing this, the tub doesn't know when to run the circulation pump, so it just sits waiting for a command.

Thank you guys again for your help!

Quickbeam:
Good to hear BigDaddy. We just got up to our cabin and I was going to post this morning that I had tried the 24 hour circulation and it seemed to work on my tub. I didn’t actually run it for 24 hours, but I put it on the 24 circulation mode and  let it run for 2 hours and it ran fine. I then switched it back to 8 hour circulation mode.

Since we both have the 2014 model of the J-345, there is one other issue with the tub you may want to know about. If your tub water temperature goes 2 degrees over the set temperature, the tub goes into what’s called “Summer Logic Mode”. I think most tubs do this and you can read further about the summer logic mode in the manual (page 49). With our tubs however, there was some kind of glitch in the software and when the tub goes into summer logic mode, the circ. pump will cycle on and off repeatedly. There is apparently a microchip on the PC board that needs to be replaced in order to correct this.

We had this problem last summer. We went away on vacation for about 10 days. During the time we were away it got quite hot and when we came back we found our tub had not been circulating as the circ. pump was just cycling on and off. I don’t imagine this is very good for the pump and our water was certainly not looking very good. It took us a while to figure out what was going on, and it was actually Jacuzzi Jim on this forum who pointed us in the right direction.

In any case, after we figured it out our dealer ordered the part for us, but it took a long time for it to come in. The repairman is coming next week to finally fix this for us. Note that this is not a problem under regular, day to day use. It is only when the temperature of the water exceeds the set temperature by 2 degrees that this happens, and this will likely only happen if it is quite hot outside. As we are now in the fall, we don’t have any issues, but I don’t want it to happen again next summer, so we are going ahead with the repair, which is covered under warranty.

If you want any more information let me know, as I have the part number. There was actually a notice sent out to the dealers by Jacuzzi on this, and I also have a copy of that somewhere in my files.

Trifecta:
Great info thanks for sharing! Is this just the 45 or other models as well?

Quickbeam:
I think it's all the J-300 models, but I'm not 100% sure. The title of the Jacuzzi "memo" I saw was "2014 J-300 Summer Logic Upgrade" so from this I'm assuming it was all J-300 models. Hope this helps.

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