etc22 Posted May 21, 2021 Report Share Posted May 21, 2021 I have a 120V 05 or 06 Tiger River Bengal Spa that the heater will shut down intermittently on. If I unplug it and wait a few minutes and plug it back in it starts back up fine and may go for 2-3-4-X days and then it shuts down again. The indicator I get is the blinking power light on the control panel. If I check the circuit panel the only lights that are lit is the D17 LED which is red. I'm the original owner and we have not had any issues until last summer when it started doing this. Because of this we didn't use it much and all I did was make sure I rest it every few days so it didn't freeze over the winter. I've had a tech out to look at it - he first told me it was a flow issue because of slime in the lines and told me to run Clean Start through it, clean the filter and drain and restart. He said that would take care of it. I did that and it ran for 3 days and the heater shut down. I called him back out and he said he couldn't figure out why it was doing this but changed the circ pump to see if that helped. It didn't - it ran for 4 days and shut down. When it's working the Hi Limit Light is red and the Heater Power light is green and no other lights are on. I have little confidence in the tech that has looked at it and am notgoing to keep paying for service visits that don't do anything. Like I said when it's shut down the only light I get is the D17 LED. Is there something about this that tells me anything? Quote Link to comment Share on other sites More sharing options...
RDspaguy Posted May 21, 2021 Report Share Posted May 21, 2021 He was on the right track. This is usually a flow issue. Remove filter and see if it works. If so, get a new filter. Check circuit board for the pressure switch connection and, if it has a wire plugged in to it, splice the two wires in the plug together. Test thermistors (sensors) by unplugging from the board and testing with a good ohm meter, set to 20k ohms if adjustable. Or replace thermistors. Otherwise I suspect you have a circuit board issue. Quote Link to comment Share on other sites More sharing options...
etc22 Posted May 22, 2021 Author Report Share Posted May 22, 2021 8 hours ago, RDspaguy said: He was on the right track. This is usually a flow issue. Remove filter and see if it works. If so, get a new filter. Check circuit board for the pressure switch connection and, if it has a wire plugged in to it, splice the two wires in the plug together. Test thermistors (sensors) by unplugging from the board and testing with a good ohm meter, set to 20k ohms if adjustable. Or replace thermistors. Otherwise I suspect you have a circuit board issue. Thanks for the quick response. I can do the easy stuff - check/change the filter. Not so sure on the pressure switch or thermistors - but if there's a Youtube video of it I can do anything. They're sending a different tech out on Monday so maybe I'll get a better result. I am interested on what the D17 LED is when the heater is off. I don't have a stereo but there is a light in the spa - it seems I recall reading something about other spa electronics being an issue. Thanks again. Quote Link to comment Share on other sites More sharing options...
RDspaguy Posted May 22, 2021 Report Share Posted May 22, 2021 @castletonia, what is the d17 led? Quote Link to comment Share on other sites More sharing options...
etc22 Posted May 22, 2021 Author Report Share Posted May 22, 2021 3 hours ago, RDspaguy said: @castletonia, what is the d17 led? It's on the main circuit board and it is only lit up when the heater goes off. It's an LED labeled D17 Quote Link to comment Share on other sites More sharing options...
Lawrence_evil Posted October 8, 2022 Report Share Posted October 8, 2022 Did you ever figure this out? I am having the same issue. Quote Link to comment Share on other sites More sharing options...
Tina1010 Posted November 13, 2022 Report Share Posted November 13, 2022 On 10/8/2022 at 8:31 AM, Lawrence_evil said: Did you ever figure this out? I am having the same issue. I am having this same issue did you find the fix? Quote Link to comment Share on other sites More sharing options...
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