563cool Posted November 21, 2009 Report Posted November 21, 2009 I have a Jacuzzi J365 Hot Tub. I recently have had an issue with water temp. The LCD would show temps up to 106. The dealer told me to reset the breaker which did work for a while. I got tired of resetting the breaker. I researched the issue and came to the conclusion that the temp sensor was bad. I replaced it. It was then that I checked the old sensor with a multimeter and it appears that it was not bad. Now, the new sensor is getting an error code Sn3 on the readout. I am afraid I am looking at a main board replacement… Please, someone, tell me it ain’t so!! Can someone help me save $500 - $600? Quote
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