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F1 — Mainboard Fault
critical
A problem has been detected with the mainboard. Professional service is required.
Common causes
- Mainboard failure or malfunction
How to fix it
- Contact LG and request a repair service
Parts you might need
- Mainboard
Compiled from Lg's public support resources — original page. Recalled.co is not affiliated with Lg. Report incorrect information at hello@recalled.co.