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 Continuous low speed.

Components associated:

  • Time Clock
  • Thermostat
  • Contactor/Relay
  • Pump Motor

A) Be sure that timer is set to off and thermostat is fully counter clockwise (CCW). Select time clock mode.

B) Select high speed and check that motor switches over. If not, try rotating timer and /or turning thermostat full CW. If high speed comes on with timer or thermostat, switch black and red wires on back of motor (high & low speed connections reversed).

C) If motor switches over to high speed, return to low speed and disconnect one of the wires from the contactor coil. If this stops low speed, replace wire and disconnect either connection 3 or 5 from timer. If this stops low speed, replace timer. If low speed does not disengage by removing coil wire from low speed contactor, replace the contactor.

D) If the previous steps do not correct problem, there is an internal wiring or circuit board problem.

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