Indesit Thermostat Calibration / Sensor Drift

Indesit oven temperature too low or too high compared to setting, no error code

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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

Aged mechanical thermostat (on knob-controlled models), Drifted electronic temperature sensor, Poor contact between sensor and cavity, Control board calibration error

How to Fix / Troubleshooting

Safety: Turn off power before removing panels.

Steps:

  • 1. Verify with oven thermometer: Place an accurate oven thermometer in the centre of the cavity and preheat to a known temperature (e.g., 180°C). Compare readings.
  • 2. Adjust mechanical thermostat: Some Indesit models have an adjustment screw on the thermostat shaft behind the knob. Small adjustments can correct minor offsets (consult service data).
  • 3. Replace sensor or thermostat: If the error is large or inconsistent, replace the oven temperature sensor (electronic models) or the oven thermostat (mechanical models).
  • 4. Control board: If a new sensor does not fix the issue, the control board’s calibration may be off and the board may need replacement.
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Repair Difficulty

Medium 3/5

Required Part

Oven Thermostat
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