Fujitec indicator error

Date taken: 11 Mar 22 & 3 Feb 23
Camera: realme c21
Location: 138 Simei Street 1, Singapore 520138
The indicator arrow was glitched when it's going up and down at 2nd floor. Now all indicators has glitched and they still haven't fix yet. This is quite common that old indicator has issued.
0:00 2nd floor
1:27 1st floor
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[@m4acollects]

The arrow is messed up code put in