Schreiber APP6043 lights continually flash?

After being turned off at the mains the alarm lights on my Schreiber APP6043 under counter integrated freezer continually flash. After pressing the super freeze button for several seconds the alarm lights continue to flash after several hours. The freezer is currently empty. Any ideas?
Sue, December 2023


done
Is it actually turned off? Unplug it to be absolutely certain it's not being powered. I've known switch contacts to weld themselves closed. Not often but once at the weirdest moment.

Fghurd, December 2023
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