Kospel
Overheating / Electrical Burning
Heater emits a burning smell or visible smoke during operation.
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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 high-current connections, Burned heating element terminals, Shorted wiring, Failing main control board components
How to Fix / Troubleshooting
Critical safety: Immediately switch off power at the main breaker. Do not continue to operate the heater until inspected.
- 1. Visual inspection: After cooling, remove the cover and look for burned insulation, melted plastic, or charred PCB areas.
- 2. Tighten and repair: Tighten any loose terminals and replace any burned connectors or wires with high-temperature-rated parts.
- 3. Replace damaged components: Replace burned heating elements, terminal blocks, or the main control board as needed.
- 4. Root cause: Investigate for overcurrent, incorrect wiring, or undersized cables that may have caused overheating.
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Repair Difficulty
Professional Required
5/5
Required Part
Terminal Block / Heating Element Assembly / Main Control Board
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