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critical Panasonic
Error Code E4
Inverter malfunction — the inverter circuit is not operating properly.
? What Causes This
Defective inverter component, electrical failure, or power supply issue.
✓ How to Fix It
- Turn off the microwave and unplug it.
- Wait 10 minutes, then plug back in.
- If the error persists, do not use the microwave and contact service immediately.
This error code appears in:
Panasonic Inverter Microwave FAQs