Espa Electrical Short or Earth Leakage

Pump trips the circuit breaker or RCD immediately when switched 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

Shorted motor windings, Water inside motor terminal box, Damaged power cable, Incorrect wiring connections

How to Fix / Troubleshooting

Safety first: Do not repeatedly reset a tripping breaker. There is a risk of electric shock and fire. Turn off power and leave it off until the fault is identified.

  • 1. Inspect cable and plug: Check the Espa pump supply cable for cuts, crushed sections, or exposed conductors. Replace if damaged.
  • 2. Open terminal box: With power off, remove the motor terminal cover and look for water, corrosion, or burnt connections. Dry and clean as needed.
  • 3. Check wiring: Verify that live, neutral, and earth are correctly connected according to the Espa wiring diagram.
  • 4. Professional testing: Have an electrician perform insulation resistance and continuity tests on the motor. If windings are shorted to earth or between phases, replace the motor.
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Repair Difficulty

Professional Required 5/5

Required Part

Espa motor assembly / power cable
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