Idrobase
Overheating of Control Valve or Electronics
Softener head is warm or hot to the touch
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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
Hot water backflow into softener, Electronics overheating due to poor ventilation, High ambient temperature, Blocked cooling vents
How to Fix / Troubleshooting
Safety: Disconnect power and allow the unit to cool. Avoid touching very hot surfaces.
- Check plumbing: Ensure the softener is installed on the cold water line only and that there is a functioning check valve to prevent hot water backflow.
- Improve ventilation: Make sure the softener is not enclosed in a tight cabinet without airflow. Provide ventilation openings.
- Inspect vents: Clean any dust or debris from ventilation slots on the control housing.
- Monitor temperature: After corrections, restore power and monitor the temperature during normal operation. If overheating persists, the control board may be failing and should be replaced.
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Repair Difficulty
Medium
3/5
Required Part
Main Control Board / Valve Head
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