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Hot tub keeps trying to circulate, stutters and stops in extreme cold


Laura Merriam

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Our spa has been working fine until yesterday when it began continuously trying circulate, then stutters (constantly trying to start but stopping) then goes quiet.  It’s been been below zero for week here in Minnesota and won’t warm up until the end of next week. The water temperature is at 95 degrees so it’s not going to freeze but I’m worried the motor will go out and the it will.  We put a space heater by the control panel, which is Balboa. See pictures.  We can’t get a service call in this cold. What do we do?
 

 

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When it tries to start does it make a loud hard buzzing sound or does it make a low hum and quit? If you open up the spa and are able to get access to the back end of the pump motor there is a dust cover dead center of the motor. If you remove the dust cover you will see the shaft of the motor and it will have a slot in it where you can place a flat head screwdriver into it. When the motor tries to start help the shaft start spinning with the screwdriver turning it clockwise. If the motor starts up and runs then you might need to replace the start capacitor. If it starts it should run long enough to heat the spa back up to temp so it won't freeze and you can get service...but once it stops it likely won't start again without help.

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The motor tried to turn over but like a cold car it didn’t go through then it went quiet and tried again. We unplugged the spa for two hours, opened it up and put a space heater inside. The jet buttons are now working and it hasn’t sputtered in 12 hours. We covered it with a tarp (-20f here this morning ). We have someone coming tomorrow but may delay that til it’s warmer if it’s still quiet not losing temperature 

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