Ariston
Overheating / Electrical Damage
Thermostat or its wiring emits a burning smell or shows signs of scorching.
Advertisements
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.
Advertisements
Possible Causes
Overcurrent through thermostat contacts, Loose terminal causing arcing, Incorrect wiring to mains, Internal component failure
How to Fix / Troubleshooting
Safety: Immediately turn off power at the main isolator. Do not continue using the thermostat.
- Inspect visually: Once safe, remove the thermostat and inspect the backplate and wiring for melted insulation or burn marks.
- Do not reuse damaged parts: Replace any scorched wiring and the thermostat backplate or unit.
- Check load requirements: Ensure the connected boiler or pump load is within the thermostat’s rated switching capacity; use an external relay if needed.
- Have wiring checked: Engage a qualified electrician or heating engineer to verify the entire control circuit.
Advertisements
Repair Difficulty
Professional Required
5/5
Required Part
Ariston Smart Thermostat (Complete Unit)
Check Price on Amazon
We may earn a commission from links on this page.
Advertisements