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Bill Mac

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  1. Thanks for your reply and advice! Is the transformer on the circuit board? How does one test it?
  2. My 2005 Sundance Altamar 850 display is showing fault codes SN1 and SN3 after recent heavy lightening storms in my area. The display also shows the temperature is at 106 which it is not. Other than the heater not working the tub is functioning as both pumps are working fine. Could a lightening hit take out both the high limit and temperature sensors? A few years back I changed the sensor that is located in the filter well. That wasn't that difficult of a job. Hopefully the issue is that the sensors need to be changed out and that it's not the main circuit board. When looking at the main board I see two small fuses. What are those fuses for? Thanks in advance for any thoughts or advice!
  3. Thank you both for your thoughts and suggestions. I think the best bet is to order the cover through a Sundance dealer. My concerns with other cover companies is if the cover is not an exact fit or if the quality is lacking. One of the replacement covers I bought through the local Sundance dealer had the seam in wrong position. So they had to order another one at no cost to me. I'm going to get some prices from other Sundance dealers in my area. Thanks again!
  4. I'm looking for new cover for my 2005 Sundance Altamar. This will be my fourth cover mostly due to the foam becoming too heavy. I called the local Sundance dealer where I bought the tub and all the replacement covers. I was quoted a price for $795 (vinyl) which seems a bit steep after seeing some online prices under $500 shipped. I asked the dealer if it was a Sundance cover and was told they get their covers from the company that makes all Sundance covers. I tried to find out what company Sundance uses but was not successful. Any suggestions for a company to order a cover from? I'm located in Southern Maine. Thanks in advance for any suggestions!
  5. Update: The GFCI tripped again a few weeks ago. I went through the troubleshooting process as before. Once I got the tub running again the heater wasn't working. Then I noticed the circulation pump was quite noisy. The noise got worse then the pump totally stopped working. I called the local Sundance dealer and they explained that if the circulation pump was not working the heater would not work either. I ordered a new circulation pump and hoped this would solve my issue. The biggest issue was trying to figure out how to loosen the plastic compression sleeve that holds the pump cable in place at the load box. Once I figured that out changing the pump out was quite easy. With everything back together the heat came right on and the tub has been working perfectly since. So it seems that the circulation pump was most likely my issue from the beginning. Although it wasn't making any noise but maybe it was struggling to circulate the water causing the GFCI to trip.
  6. I believe this was the issue. I double checked the wiring of the temperature sensor on the main sensor plug. What I found was that the white wire (I believe that was the color) had come loose and was backed out of the plastic plug. Using a pair of needle nose pliers I pushed the wire in so the female metal connector seated properly on the male connector on the board. I had changed the temperature sensor (located in the filter bay) a few years back. I recalled at that time that it took a little effort to make sure the sensor wiring metal connectors were seated properly. I'm not sure if the fact that the temperature sensor wire was loose was causing the GFCI to trip. I'm also not sure how the wire came loose as I wasn't in the control box till after the GFCI was tripped. Either way the tub is now working fine and the newly added water was brought up to the set temperature (101 degrees) in the time it normally takes after the water is changed. Hopefully the issue I had with my tub and the solution will be helpful to anyone having a similar issue in the future. Thanks again to CPA and RDspaguy for your help!
  7. Thank you for your response CPT... much appreciated. I went back and disconnected the main heater wiring where before I just pulled the jumper leads as it was easier as they have Sta-Kons. But when I saw your post thought it would be best to disconnect the main heater wiring. I removed the red and black leads then put up the exterior disconnect breaker and the GFCI did not trip. The LCD display shows just fault "Sn3" which in the manual indicates "OPEN OR SHORTED SENSOR (heater disabled). The main sensor is not functional". Other than that fault and the heater not working all other functions including both pumps, blower and circulating pump work fine. Just out of curiosity I reconnected the heaters black lead and the GFCI did not trip. When the red lead was reconnected then the GFCI tripped. So I'm making progress thanks to your post. A few years back the GFCI or the external breaker was tripping intermittently. What I found was water leaking from the heater housing. I removed the heater and took it apart. The inner gasket was defective causing water into the housing tripping the breaker. I made a new gasket and reassembled everything and it's worked fine till now. So I assuming there's an issue with the heater causing the GFCI to trip. Although I'm not sure what the "main sensor" is. Thanks again!
  8. Thank you for your response RDspaguy... much appreciated. Following the wiring diagram in the manual I disconnected each wire of each specific device listed. When the GFCI tripped I reconnected the wires for that device and went to next one. Should I leave each device disconnected as I work through each one? I'm curious as to why when the plug for the sensors is unplugged the GFCI does not trip. I'll be totally honest and that I have very limited knowledge of electricity. The tub was filled to the normal level. There was no water in the equipment area or in the main electrical box. Thanks again!
  9. I have a 2005 Sundance Altamar 850 that starting tripping the GFCI after draining and refilling the tub yesterday. The tub ran and heated fine for a few minutes then the GFCI tripped. This morning one by one I disconnected the leads to the heater, Pump 1 & 2, circulating pump, blower motor, ozonator and light. The GFCI tripped when each item was disconnected. Then I unplugged the sensor plug and the GFCI did not trip. The display shows SN1, SN3, ILOC and 106 degrees. I'm guessing that one of the sensors is causing the issue. How would I go about checking each individual sensor to isolate which sensor could be causing the issue? Could a defective sensor cause the GFCI to trip? A few years back I changed out the temperature sensor due to incorrect temperature readings. But the defective sensor was not causing the GFCI to trip. Any advice and suggestions would be much appreciated!
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