Motorcycle Questions? Ask a Mechanic.
Hi and welcome to JustAnswer,Thank you for the question and your patience. Should you still need assistance for information purposes only...Initially, the only easy user doable attempt is to perform a RESET. Disconnect the battery for an extended period of time. Re-connect thereafter confirming polarity.
If not corrective, then potentially the internal electronics of the display have failed due to a most likely over voltage when the battery was being charged.
Please post back results / observations of the above once tried.