Daewoo Overcurrent or Overheat Protection Trip

Microwave runs for a few seconds then shuts off and resets

Advertisements

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.

Advertisements

Possible Causes

Weak internal line fuse or breaker, Overheating magnetron or transformer, Blocked vents, Failing cooling fan

How to Fix / Troubleshooting

Safety first: Unplug the microwave before inspection.

Step-by-step checks:

  • 1. Check ventilation: Ensure vents are not blocked and that there is adequate clearance around the microwave.
  • 2. Clean vents: Remove dust and grease from intake and exhaust vents.
  • 3. Listen for fan: Confirm that the cooling fan runs when the microwave is operating. If not, the fan motor may be faulty.
  • 4. Test with lighter load: Try heating a small cup of water. If the unit still shuts off quickly, internal components may be overheating or drawing excessive current.

Recommendation: If the problem persists after ensuring proper ventilation, have a technician check the cooling system and high-voltage components.

Advertisements

Repair Difficulty

Hard 4/5

Required Part

Cooling Fan Motor
Check Price on Amazon

We may earn a commission from links on this page.

Advertisements