Leisure
Main Supply Short / Internal Wiring Fault
Oven trips the breaker immediately when plugged in or switched on at the wall, even with controls off
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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 mains filter (EMI suppressor), Damaged mains terminal block, Pinched supply wires to chassis, Faulty internal wiring harness
How to Fix / Troubleshooting
Safety: This is a serious electrical fault. Only proceed if you are competent; otherwise contact a professional.
- Inspect terminal block: With power off, remove the rear cover and check the mains terminal block for melted plastic or bridged connections.
- Check mains filter: Locate the mains interference filter (if fitted). Look for bulging or burnt components. Replace if damaged.
- Trace supply wiring: Ensure live and neutral wires are not pinched or contacting the metal chassis.
- Do not bypass safety components: Replace faulty parts with correct Leisure-approved components.
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Repair Difficulty
Professional Required
5/5
Required Part
Mains Interference Filter / Terminal Block
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