You're going to have to be more specific - or post photos/details of what exactly is fitted.
From Googling, I'm reading this bike is another of those Millets/GoOutdoors/Amazon/Auction clearance bikes from recently bankrupt distributor Moore Large where the bike is supposed to have a Dapu-P display with a Bafang mid-motor, but some are claiming their actual bikes came with all sorts of substitute parts.
The Dapu-P display has fault codes from 2 to 15. No "F". The manual shows a fault is displayed by the word Error and a number in the top right corner (eg Error 8). It suggests your bike may have a different display; you'd need to show/tell us what that is.
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