E12
Polaris
Intermittent Lid Position / Lock Signal
E12 appears intermittently; cooker may stop mid-cycle, especially when the lid is moved or bumped.
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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
Loose lid lock connector, Worn lid hinge causing misalignment, Partially broken lid lock wiring, Oxidized microswitch contacts
How to Fix / Troubleshooting
Safety first: Disconnect power before accessing internal components.
- Re-seat connectors: Access the lid lock wiring and unplug/replug the connector at both the lock and main board ends.
- Check hinge play: Gently move the lid up and down to detect excessive play. Tighten hinge screws if loose.
- Inspect wiring for flex damage: Look for cracked insulation or broken strands where the wire flexes near the hinge. Replace the harness if any conductor is compromised.
- Replace lock if unreliable: If tapping the lid causes the error, the microswitch may be worn. Replace the lid lock assembly.
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Repair Difficulty
Medium
3/5
Required Part
Lid Lock Wiring Harness / Lid Lock Assembly
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