PDC Spas Ground fault or short circuit in spa equipment

Spa trips the GFCI breaker immediately or shortly after turning on.

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Water intrusion into PDC Spas control pack, Shorted heater element to ground, Shorted pump motor windings, Damaged ozone generator or light transformer

How to Fix / Troubleshooting

Safety first: Frequent GFCI tripping indicates a potentially dangerous fault. Do not bypass or replace the GFCI with a non-GFCI breaker. If you are not qualified, contact a professional.

  • 1. Visual inspection: With power OFF, open the equipment bay and inspect for obvious water leaks, burned components, or melted wiring.
  • 2. Isolate components: With power OFF, disconnect one component at a time (heater, pumps, blower, ozonator) from the control pack. Restore power and see if the GFCI holds. The component that, when connected, causes tripping is likely faulty.
  • 3. Common culprit – heater: A heater element shorted to ground is a frequent cause. If disconnecting the heater stops the tripping, replace the PDC Spas heater assembly.

Because this involves line voltage and ground faults, final diagnosis and repair should be performed by a qualified spa technician or electrician.

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Repair Difficulty

Professional Required 5/5

Required Part

PDC Spas heater assembly
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