Hot Tub Supply Spa Depot
Troubleshooting Spa Equipment
Repairing Hot Tubs
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CAUTION: Electrical repairs can be dangerous, especially around water. We recommend that repairs be referred to a qualified electrician or spa technician. Regardless of who performs the work, make certain that all electrical power to the hot tub or spa is disconnected prior to making any inspections or repairs. The information  provided here is for educational purposes only.

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Spa repairs No water flow; pump motor humming.

Components associated:

  • Pump

A) With the power to the spa disconnected, inspect wet end for impeller blockage or jam. If clear, proceed to 2).

B) Check for frozen shaft by rotating with fingers or pliers. If shaft spins freely, proceed to 3).

C) Starting capacitor may be defective. Replace capacitor. 

Note: Other problems include burnt windings or bad centrifugal switch.  If shaft is hard to turn, bearings may be worn out. Replace pump assembly or motor in either case.  Use extreme caution when testing pumps.  Never touch a pump when power is applied.

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EasyPak Spa Controls
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