Logik Intermittent Power Loss / Thermal Cut-Out

Microwave stops mid-cycle and resets or goes completely dead, then comes back after a few minutes.

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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

Overheating cavity thermostat opening, Loose mains connection, Failing control PCB, Overheating magnetron thermal cut-out

How to Fix / Troubleshooting

Safety: Unplug before inspection.

Steps:

  • 1. Ventilation: Ensure adequate clearance around the microwave and that vents are not blocked.
  • 2. Usage pattern: Note if shutdown occurs only after long, high-power runs. This suggests thermal protection is activating.
  • 3. Check plug and socket: Wiggle the plug gently (while not operating) to see if there is any looseness. Replace worn sockets.
  • 4. Internal inspection (for competent DIYers): Check for loose spade connectors on the mains input, thermostats, and control PCB. Tighten or reseat as needed.
  • 5. Replace faulty thermostat: If a thermostat opens prematurely (at low temperature), replace it with a Logik-compatible part.
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Repair Difficulty

Medium 3/5

Required Part

Magnetron Thermal Cut-Out
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