I have 2 FPV Controlle 2.One of them the Gimbal and Start/Stop button will not work in DJI Simulator.

The other one works fine.
Both work with FPV drone.

Any suggestions ?

Hi, dynamo. Thank you for reaching out. Are you pertaining to the DJI Virtual Flight? Can you please provide us a video of the operation with the RC that you're having issues with? Please provide as well the firmware version on the RC and simulator version. We will wait for it. Thank you.

There are plenty of other folks who have posted the similar issue.

Windows 10 Simulator
1 Controller buttons don't work in simulator ( N S M ) are reversed.
2 Start/Stop button doesn't work
3 Controller can not select items
4 Gimbal dial doesn't work
Behavior is erratic. Sometimes it works but mostly it does not.
Frustrated and have no patience left for the simulator. Wasting my time.
These are basic controller input operations.