E2
Brock
Bottom Temperature Sensor (NTC) Short Circuit / Overtemperature Detection
Multicooker displays E2 and will not start or stops mid‑cycle.
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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
Shorted NTC sensor under heating plate, Spilled liquid causing temporary short at sensor connector, Damaged sensor wiring harness, Faulty main control PCB interpreting sensor signal
How to Fix / Troubleshooting
Safety first: Unplug the appliance and allow it to cool fully. Do not touch internal metal parts while hot.
- Clean heating plate: Remove the inner pot and wipe the heating plate and center sensor disc with a soft, dry cloth. Remove any burnt food or residue that may trap heat.
- Check for spills: If soup or starchy water has overflowed, carefully clean around the sensor and inner walls. Let the cooker air-dry for several hours before use.
- Ventilation: Ensure the cooker is used on a hard, flat surface with at least several centimeters of clearance around it so heat can dissipate properly.
- Test with empty pot: Place the clean, dry inner pot in the cooker (do not add food), close the lid, and run a short program like REHEAT for a few minutes. If E2 appears immediately, the sensor or control board is likely defective.
- Service recommendation: Persistent E2 usually indicates a failed NTC sensor or control PCB. Replacement requires opening the base and working near mains wiring; contact an authorized Brock service center.
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Repair Difficulty
Hard
4/5
Required Part
Bottom NTC Temperature Sensor
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