Alfen
Thermal Damage to Terminals or Cable Entry
Unusual burning smell or visible scorch marks near the cable entry or terminal block.
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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
Loose supply cable termination, Over‑stripped conductor exposing copper, Undersized cable for configured current, Corroded terminals increasing resistance
How to Fix / Troubleshooting
Safety first: Immediately switch off the charger at the breaker. Do not use the charger until the cause is identified and repaired.
- Step 1 – Power down and inspect: With power OFF, open the charger and inspect the terminal block and cable entry for burn marks or melted insulation.
- Step 2 – Re‑terminate conductors: Cut back damaged cable sections and re‑strip to the correct length. Re‑terminate in the terminal block and tighten to specified torque.
- Step 3 – Replace damaged parts: Replace any discolored or deformed terminal blocks, glands, or plastic parts.
- Step 4 – Verify cable size: Ensure the supply cable cross‑section matches the charger’s maximum current and installation standard.
- When to call a technician: If you are not a qualified electrician, have a professional perform all re‑termination and verification tests.
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Repair Difficulty
Hard
4/5
Required Part
Main Terminal Block / Cable Gland Assembly
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