E18
MasterChef Shock / Impact Detected – Safety Interlock Error

Microwave shows E18 and will not start; often after a door slam or physical shock.

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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

Misaligned door after impact, Damaged door hinges, Loosened interlock bracket, Cracked cabinet around latch area

How to Fix / Troubleshooting

Safety first: Unplug the microwave. Physical damage can compromise radiation shielding; proceed cautiously.

Steps:

  • 1. Inspect exterior: Look for dents, cracks, or misalignment around the door frame and hinges.
  • 2. Check door closure: Close the door slowly and observe if it rubs or catches. The gap around the door should be even.
  • 3. Internal inspection (experienced DIYers): Remove the cabinet and inspect the door interlock bracket and surrounding metal for bending or cracks. Tighten any loose screws.

Important: If the cabinet or door frame is bent or cracked, the microwave should be replaced or professionally evaluated; do not attempt to bend it back into shape.

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Repair Difficulty

Professional Required 5/5

Required Part

Door Hinge and Interlock Bracket
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