Elecro
Overheating of Electrical Connections
Heater’s internal components show signs of melting or discoloration around terminals.
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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 terminal screws on elements or contactor, Undersized supply cable, Prolonged operation at maximum load, Corroded terminals increasing resistance
How to Fix / Troubleshooting
Safety first: Isolate power and verify with a meter before touching any internal wiring.
- Inspect all terminals: Check element, contactor, and terminal block connections for discoloration or melting.
- Tighten and clean: Clean lightly corroded terminals and tighten screws to specified torque.
- Replace damaged parts: Replace any terminals, lugs, or components that show significant heat damage.
- Verify cable size: Have an electrician confirm that the supply cable and breaker are correctly sized for the Elecro heater’s current draw.
Addressing overheating early prevents more serious failures and fire risk.
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Repair Difficulty
Hard
4/5
Required Part
Elecro Terminal Block / Element Terminals / Power Contactor
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