Jandy J-Box Power issue

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G

grikka

Member
Jun 1, 2023
5
MA
Hey there,

So we opened out pool this year and the only thing that wasn't working was our Jandy PDA setup. I went to look and noticed the J-box had no LED's on, but I could hear some faint "clicking" or "humming". All other features within the Power box were working fine (was able to cycle and test all the pumps valves etc when in Service Mode.

I took apart the J-box board, cleaned the contacts and looked for any issues but none were found in there. Took apart the main pcb and double checked the board and went over it with some alcohol to verify it was cleaned and dry. Put it all back together and still no power to the J-box board. Any thoughts?

Some pictures for reference
 

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Last edited:
Seems to be fried. You can probably find an antenna on Ebay but another option is to upgrade with the IQ30-RS kit. This will do away with the PDA and give you SmartPhone control.
 
Thanks! Thats what I was leaning towards as it just "stopped working".

Anyone know if there is a way to test (w/o another antenna) if the power is being supplied. I guess it would be a non starter if I need to get the IQ30-RS kit anyways.
 
If you have a multimeter, pins 1 and 4 (red and green) are 10v power.
 
That's what it should be doing, the green is ground if I'm remembering it right.
 
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