E16
Princess
Power Line Frequency / Synchronization Error
Microwave displays E16 and may intermittently lose display or reset during cooking.
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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
Unstable mains frequency or voltage, Faulty power supply circuit on PCB, Loose neutral or live connection at terminal block, Defective line filter board
How to Fix / Troubleshooting
Safety: Unplug the microwave before inspecting the power cord and plug.
- Check plug and cord: Inspect for damage, burns, or loose pins. Do not use if damaged.
- Try another outlet: Plug the microwave into a different, properly grounded outlet on a separate circuit.
- Avoid generators/inverters: Do not run the microwave from non-standard power sources that may have unstable frequency.
- Service: If E16 continues, a technician should inspect the line filter and power supply section of the main PCB.
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Repair Difficulty
Hard
4/5
Required Part
Line Filter / Noise Suppression Board
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