Question about Jandy Aqualink - Rs24 One Touch Pool / Spa Combination Control System

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The display on the Jandy RS8 says "AIR TEMP SHORT" The sensor is reading the same resistance as the water sensor, (interchangeable) When reading resistance across pin 5&6 it is not the same as reading pin 7&8? Is it a bad board?

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If you replace the sensor and get the same code,there is only one option before replacing the board...This only works on a board with one (4 pin ) red connector terminal. If you have two it won't work. On the back of the board, directly behind the "air temp" wire terminals, there is a small black diode with a silver stripe.This is a redundant circuit and isn't necessary. AFTER you turn off the power to the board, you can cut this diode off with some dykes.

Posted on Sep 30, 2010

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