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Pentair Mastertemp 400 Not Igniting
Think the HLS is the problem even though it has been recently replaced. After trying nearly everthing, I decided to focus on the HLS blinking once during the ignition attempt. I swapped my old HLS back in and it fired right up. Seems my newer HLS has failed some how.- Secter
- Post #5
- Forum: Everything Else
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Pentair Mastertemp 400 Not Igniting
No, no codes on display, control board, or ICM. Just LED 11 - service system.- Secter
- Post #3
- Forum: Everything Else
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Pentair Mastertemp 400 Not Igniting
Hey guys, long time lurker with issues, and I have had much success from here. However, I am currently having issues with my 2011 Mastertemp 400 not igniting. We were using it fine one day, then it failed to fire the next day or two later when we tried to heat the spa again. I have gone through...- Secter
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- Forum: Everything Else