E05
Teka Inverter Power Module Fault (for inverter-type Teka microwaves)

Microwave display shows E05 and the turntable and fan do not start when pressing START.

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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

Failed inverter PCB,Loose or burnt inverter connectors,Inverter overcurrent protection triggered,Control board not sending drive signal

How to Fix / Troubleshooting

Safety warning: Inverter-based microwaves use high-frequency high-voltage circuits that are extremely dangerous. Only trained personnel should service the inverter module.

User-level checks:

  • Unplug the microwave for 5–10 minutes to allow the electronics to reset, then plug back in and test.
  • Ensure the supply voltage is stable and within the range specified in the Teka manual.
  • Verify that no other error codes appear and that the door closes properly.

Technician-level overview:

  • Inspect the inverter PCB for burn marks, cracked solder joints, or swollen components.
  • Check all harness connections between the main control board and inverter module.
  • Measure input and output voltages according to Teka service documentation.

Recommendation: E05 generally requires replacement of the inverter module or main PCB and should be handled by an authorized service center.

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Repair Difficulty

Professional Required 5/5

Required Part

Inverter Power Module
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