How to calibrate Joystick Genie Z60-34 year 2002

Dear all,
We have 1 issue with Genie Z60/34 year 2002. The main boom joystick has problem with boom up function. Other functions work normally.
We tried to calibrate the joystick as mentioned in the manual.
However, after calibrating, the joystick didn't work (all functions of the joystick didn't work).:Banghead
We didn't hear any error alarm. We haven't checked the fault code yet. But we don't know how to check the fault code.
To make short, as the moment we have the main boom joystick...

How to calibrate Joystick Genie Z60-34 year 2002

How to calibrate Joystick Genie Z60-34 year 2002