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Hot Spot Relay Jet Pump 2 Not Working


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My HotSpot Relay has decided to cause me a new headache with one of the pumps simply not working and just making a loud humming noise when switching to the setting that would normally turn it on.

Pressing the Jet button for the Tempo & Relay changes the jet pump functions, depending on the number of presses:

1st press - Two-speed jet pump runs on low speed - WORKS FINE AS EXPECTED
2nd press - Two-speed jet pump runs on high speed - WORKS FINE AS EXPECTED
3rd press - One and Two-speed jet pumps run on high speed - I NOW JUST GET A LOUD HUMMING NOISE COMING FROM ONE  OF THE JET PUMPS
4th press - One-speed jet pump runs on high speed -  AS ABOVE

5th press - Both jet pumps are off - This still works

It appears to be jet pump 2.

The hot tub has been running perfectly fine, used weekly, wondered whether it could be the capacitor, on the pump that appears to be playing up but I've tried changing this and no luck.

Any other thoughts welcomed.

The only additional comment to make was we seemed to have a local power issue, the day before it happened, this was more like a surge than a power cut, in our village, house alarms going off etc - could this have affected the pump (why I thought maybe the capacitor)? Or just a coincidence? Power does seem to still get to the pump it's just not doing it's job!


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