Accenta G4 LCD Panel Issue

Joined
16 Feb 2026
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United Kingdom
Hi all,
After a brief power cut the other day, the screen on my G4 Accenta panel is now only displaying black squares (pictured). System works fine otherwise, but ive read this is a common issue with this system.
WhatsApp Image 2026-02-16 at 15.23.41.jpeg


I have changed the battery but the screen is still displaying the black bars. I've read that a full power-down from the mains and battery could clear the issue. Has anyone tried this successfully and did it wipe all the programmed zone settings (something im keen to avoid)?
 

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