LG Microwave error code
LG Microwave Error F9
This indicates a magnetron or inverter error.
This indicates a magnetron or inverter error.
Try these first
Start here before buying a part or taking the appliance apart.
- 1Step 1
Unplug the microwave for at least one minute and then plug it back in. If the error persists, professional service is required.
A quick explanation
What does F9 mean?
This indicates a magnetron or inverter error.
The answer you came for
How to fix LG microwave error F9
Start with the safest checks and work from simple to technical.
Microwave internal components can retain hazardous voltage even after unplugging. The steps below are limited to safe external checks. Internal diagnosis and repair should be handled by a qualified professional.
- 1
Step 1
Unplug the microwave for at least one minute and then plug it back in. If the error persists, professional service is required.
What may be causing it?
- Magnetron failure
- Inverter board failure
- High voltage system error
These are possibilities to investigate, not proof that one part has failed.
Recommended part
Possible technician-diagnosed component
Magnetron: 6324W1A001L
Price noted in the current guide: $165-$330
Why this part is shown: A technician may identify Magnetron: 6324W1A001L on some LG microwave models after diagnosis. This is not a DIY installation guide.
Do not open the microwave cabinet or attempt internal replacement. Confirm model compatibility with a qualified technician before any purchase.
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Repair or replace calculator
Use the age and total repair estimate to get a simple comparison. This is guidance, not a guarantee.
Safety first
Unplug the microwave before any checks. Do not remove the cabinet or touch internal components.
When to stop
- Microwave internal components can retain hazardous voltage even after unplugging. Internal diagnosis and repair require a qualified technician.
Free quick sheet
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A concise reference with code meanings, severity, first checks, and when it is time to stop and call for service.
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- Researched against manufacturer documentation and service literature where available.
- Safety-first structure: every guide starts with the safest first action and states when to stop and call a professional.
- Part compatibility is treated cautiously: fitment must be confirmed against the exact model number before purchase.