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Thread: no heat
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03-09-2011, 06:19 AM #1Junior Member
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- Mar 2011
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- 3
We own a gulf coast spa rotundra (we got used so unsure of the date of tub but we think 2003, no manual came with it) that stop putting heat out a week ago. We had it up to 103 for one weekend, turned it down during the week, went back out to turn it up and not heat. We replaced the heater element, the flow switch and still no heat. We cannot find a hi limit switch any where on the tub. We just got in the temperature probe and when we install it, it states the temperature is 124 and shuts the whole tub down (water temperature is actually around 45 degrees) if we unhook the probe it states the water temeperature is 32 on the top side of the tub and no heat. Everything else works on the tub both motors, jets light etc. Just cannot get any heat. no error codes on the top side of the tub. The heater light does show that it is on when we crank up the numbers but no heat. Any suggestions?
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03-09-2011, 09:28 AM #2Super Moderator
- Join Date
- Oct 2010
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- 213
Did the water temperature on the display match the actual water temperature before replacing it? If so, I would install old sensor back. I am not sure why you got such a high reading with new sensor. Since you are getting a heat light when you turn up the thermostat I don't think you have a flow issue or a tripped high limit. What you would need to do is when the heat light is on and only if you are comfortable doing so you need to see if the circuit board is suppling the heater with voltage using a volt meter. If the heater operates on 220V then a reading across both hot leads is required, not one leg to ground. If no voltage is going to heater and heat light is on then I would think you have a issue with the circuit board.
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03-09-2011, 09:38 AM #3Junior Member
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- Mar 2011
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Originally Posted by MaryH
Okay, we checked the leads to the element and we are not getting anything so that would say that the board is bad. Do we have to replace the whole board or is there just a part for the heater that we can replace? With that being said and what I have seen price wise for boards would it be better to just replace the whole spa pack?
Also do you know where I can find one that would fit my gulf coast, I have been having trouble finding parts that are exact to what we have. Thanks for everything!
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03-09-2011, 09:55 AM #4Super Moderator
- Join Date
- Oct 2010
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- 213
You would need to replace the circuit board, or control pack. If you decide on a new pack then you would get a new controller, heater, and topside panel which is a plus. We have packs that would work for your spa. I am not exactly sure which control system they used on a possible 2003 Gulf Coast spa. If you can provide any information off the label on front of control box and any part numbers you see that would help me to identify. Digital pictures of the control box and circuit board would help as well. You can also email me directly at mary@hottubworks.com.
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03-09-2011, 10:07 AM #5Junior Member
- Join Date
- Mar 2011
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- 3
Originally Posted by MaryH
Thanks for all the info, I will have my husband take some pictures when he gets home from work and send them to you, by looking at the spa pack previously and what manual I did find on line, I don't believe that this is the original one to the tub, but I could be wrong. You have been great for info and I will definatley recommed!
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