Question about Home
Have a Jacuzzi Z112 running R742 controls (110v). It has a dial thermometer and pushbuttom controls with one red light indicator. I am stuck in low speed. As soon as I throw the switch, low speed comes on. When I click to High, the pump gets louder, but there is no increase in water flow. The spa does not heat. The heat indicator light does not come on at any temp setting. I cannot shut it down without throwing the breaker. Some months back, I was getting an indicator light blinking that appeared to indicate a sensor issue. Then I stopped even getting the blinking red light. I have had the motor checked out, and I have replaced the sensors. Now, on to the circuit boards...I bought this last June (dealer trade in) and the board that was in it failed after a few weeks. I got a replacement from Jacuzzi and that failed after a few days. They sent me a warranty board which worked fine until I started having these problems in February. Two weeks after the warranty ran out. I had bought a spare from Ebay and I installed that board and had the same problems. I arc'd that board because I didnt take the time to fully mount it, but regardless, the symptoms were the same with both boards. I am out of ideas, patience and money. My guess is the low speed relay is fried. This was the initial cause to replace the board last year. Any help would be appreciated. Although they're not terribly expensive boards compared to others, I have already spent hundreds for parts and/or services I didnt need and cant return. And I hate to buy another board I cant return. Thanks.
At this point after having spent all that money, you have to figure something else is frying those boards.
You need to make a decision whether to A: Call a Jacuzzi repair specialist
B: Replace the the control panel, the board, and possibly even the heater and pump, thermometer and sensors.
C: Cut your losses and buy a new Jacuzzi. Trade this one in on it for whatever you can get. And from personal experience, stay the h*** away from Ebay when it comes to electronics.
Posted on Jun 04, 2009
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Posted on Jan 02, 2017
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