E06
Sharp Inverter Power Supply Error (Inverter Models)

Microwave shows E06 and stops; fan may continue briefly.

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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, Shorted magnetron drawing excessive current, Loose inverter-to-control board connector, Overheated inverter due to blocked airflow

How to Fix / Troubleshooting

Critical safety warning: Inverter-based microwaves use high-frequency high-voltage circuits that are extremely dangerous. Do not attempt to service the inverter or magnetron unless you are a qualified technician.

User-level checks:

  • 1. Ensure ventilation: Confirm that all vents are clear and that the microwave has proper clearance. Overheating can trigger inverter protection.
  • 2. Power reset: Unplug the microwave for at least 5 minutes to allow the inverter to discharge and reset. Plug back in and test with a short heating cycle.
  • 3. Observe behavior: If E06 appears immediately upon starting, the inverter or magnetron is likely faulty. If it appears only after extended use, overheating may be involved.

Technician-only actions: Testing the inverter PCB, magnetron current draw, and related wiring requires specialized knowledge and insulated tools. Replacement of the inverter assembly must use the correct Sharp inverter module.

Recommendation: For E06, contact Sharp service or a qualified appliance technician. Do not continue to operate the unit with this error.

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Repair Difficulty

Professional Required 5/5

Required Part

Inverter Power Supply Board
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