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Jacuzzi J-375 control panel blank

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Buck Mark:
Could the pump turning off after a few seconds possibly be a bad starter capacitor? I'm going to dive into this project this weekend and need as much help as possible, haha... Any chance of you providing me with your email address so I can send you a video of what is happening? I appreciate the help.

Jacuzzi Jim:
 I think you should replace the topside first,  before replacing parts at random.  You can email me at  jima@barronheating.com

jonnyivy:
Hi to all members , I have just joined your forum today and look forward to reading more posts.
The reason I jumped in here was because I had a similar problem with my older model Hot-tub too.
Hopefully it may help the O/P with thier problem.
My tub has also got two top-side controls, one at either side, the main one having the ability to program the temp, settings, and has the digital read-out ,... whereas the one opposite is smaller and only has the backing light with 4 buttons to activate the jets / lights/ air etc.
All the controls were working perfectly until I too emptied it and let it sit in the garage for almost a year before re-filling.
This is when I had similar problems to the O/P.... mines would not activate two seperate pumps on two seperate buttons. Same at the smaller controller, same buttons would not work.
What I did after much fiddling was to disconnect the Main topside controller from the grey ribbon wire loom junction ( the one which comes from the small topside control and plugs into the circuit board )
I was surprised to find out that the main top-side controller does not plug straight into the circuit board, but instead is plugged into a junction on the grey ribbon wire loom,from the smaller topside, effectivly hitching a ride into the circuit board.
 What I did was just unplug it from the junction and plug it straight into the circuitboard,... everything was back working again but as you guessed the smaller topside is now obsolete.
I figured there must be a fault in the buttons or wiring at the small top-side which was affecting the functions of the buttons on both as they are linked together.

I hope this may be of help but I'm just a novice in the hot-tub scene.

I now need to find somewhere to buy a new smaller top-side and the grey wire loom which come attached....
Am I allowed to give a link to the item in question mods ??

https://www.acuraspa.com/mn2000-aux.html    ( ML 2000-1XL-10 )

John

Buck Mark:
Thanks for all the help from you guys. I broke a pipe while working on it today. I replaced the tubing and turned on the breaker and voila! The pumps came on and my topside panel had power and everything works. I'm not sure if it was airlocked and it bled out. The only other thing I did was pulled the plug on the panel and dried it out with a hair dryer. I have no clue why/how my spa works, but it does and I really appreciate all the feedback and help in this forum! Happy New Year!

Jacuzzi Jim:
 Sounds like it was a bad connection, ya got lucky  ;) 

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