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Electric Pool Heater Tripping Out!

Hi Guys, I have a Purex Islander Electric pool heater. I have recently opened the pool up for the Summer and the heater keeps tripping out. I have checked inside and there are no loose wires. I turn the heater on and the botton two orange lights come on. A few minutes later the "heat" light comes on and the heater trips out! I have tried disconnecting the two wires from the top of the coil, but it still trips out.. I turned down the heat dial to the lowest setting and the two lights were on, then as I turned it up, the "heat" light comes on and off goes the electric.

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  • Brad Brown Jul 20, 2013

    look at this:

  • Dave Crewe Jul 20, 2013

    Hi Brad, I have this diagram, I just don't know which item is causing the problem!

  • Brad Brown Jul 20, 2013

    The coil which is 5 on the chart and then is either a or b depending on the wattage of the unit that you have. You can either unhook it from the source or check it with a meter for resistance and shorts to ground to see if it is bad.

  • Dave Crewe Jul 21, 2013

    Thanks Brad, I have tested it for continuity and it is fine. What else should I test it for?

  • Brad Brown Jul 21, 2013

    The heater coil is actually a wire surrounded by ceramic powder and enclosed in a tube. Over time the wire can push the powder away and when it gets hot it touches the tube that is metal and causes a short this is hard to test for. If you hook a meter up to the coil and have it set for voltage and turn it on it should read 220 VAC. Then when it shorts out and throws the breaker, switch to ohms and measure the resistance from the coil to the case of the heat which would be ground. If it cools off, it could be ok



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  • Water Heaters Master
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What is the model number of the unit?

Posted on Jul 18, 2013

  • Dave Crewe Jul 18, 2013

    The model number is E-6?



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