Heatit
Uneven Floor Heating
Floor is hot in some areas and cold in others despite thermostat calling for heat
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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
Incorrect floor heating cable layout, Broken heating cable section, Floor sensor placed in cold or hot spot, Air gaps in screed or under tiles
How to Fix / Troubleshooting
Safety first: Turn OFF power at the breaker before testing heating circuits.
Steps to troubleshoot:
- 1. Verify thermostat operation:
- Ensure the thermostat is switching the load on and off correctly.
- 2. Check heating cable resistance:
- Measure total resistance and compare with manufacturer's spec.
- Significant deviation may indicate a partial break.
- 3. Use thermal camera or IR thermometer:
- With heating on, scan the floor to identify cold zones that may indicate cable damage.
- 4. Consult floor heating specialist:
- Repairing heating cables embedded in screed or tiles requires specialist tools and methods.
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Repair Difficulty
Professional Required
5/5
Required Part
Electric Floor Heating Cable
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