For the repairing of the diagnostic mode, you have to off the motorbike and turn off the engine. Now disconnect fuel with the connector. Now when pressing and holding reset then turn on main switch. Meter should read "Diag" mode after 8 seconds.
Now you can use the solar equipments in your bike...
For the best result.place the bag in direct sunlight with the solar panel angled towered the sun. Light indicating that battery is being trickle charged and stay light when fully charged..