Microwave shows E06 and will not start; sometimes occurs after a power surge or outage.

Safety Warning: Always unplug the microwave before checking fuses or internal wiring. High voltage is present inside even when not running.

Basic checks:

• Unplug the microwave and plug a different appliance into the same outlet to verify proper power.
• Avoid using long or undersized extension cords; plug the microwave directly into a properly grounded outlet.
• After a power outage or surge, unplug the unit for 5 minutes, then plug back in to reset the control.

Technician-level checks:

• Remove the cabinet and inspect the line fuse on the filter board or control board. Replace only with the exact same rating if blown.
• Check the power cord connection at the terminal block or filter board for looseness or burning.
• Measure incoming AC voltage and verify the low-voltage transformer or switching power supply on the control board is outputting correct voltages.
• If the power supply section is defective, replace the main control board.

If E06 persists and the outlet is known good, professional service is recommended.