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2006 Jacuzzi J385 Watch Dog Error


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My J385 is stuck in watch dog mode. No noise nothing.

I tested the temp sensor and Hi Lo sensor and they both seemed bad.

I have replaced both and still nothing.

If i disconnect the (J6) sensor plug from the circuit board and power up i get the relevant set of error codes as though all the sensors are missing.

Tested the new sensors and they seem fine, i must be missing something.

Rest of the circuit board seems fine, no bulging caps, no burnt out components.

Any help greatly appreciated, may also be worth mentioning the flo sensor was replaced a few months ago.

 

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