H
Caple
Residual Heat Indicator Sensor Fault
H or "Hot" remains displayed on the hob long after it has cooled.
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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
Stuck or shorted temperature sensor, Faulty residual heat circuit on control board, Wiring fault to sensor
How to Fix / Troubleshooting
Safety note: Treat the zone as hot until you are certain it is cool to the touch.
User checks:
- Allow several hours for the hob to cool fully, then check if the glass is genuinely cold.
- Reset the hob by switching off at the mains for a few minutes.
Technician checks:
- Identify the residual heat sensor (often integrated with the element or NTC on the coil) for the affected zone.
- Test its resistance at room temperature and compare with specifications.
- Inspect wiring from the sensor to the control PCB for shorts.
- Replace the sensor or the complete heating element if integrated; if the sensor is good, replace the control board.
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Repair Difficulty
Medium
3/5
Required Part
Residual Heat Sensor
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