JLG 1250AJP Service Manual - Manual (Page 549)

SECTION 6 - JLG CONTROL SYSTEM
3121171 – JLG Lift – 6-117
7. If the CANbus link from the ground module is lost,
you will see the Ground Module SW version, Ground
Module HW version, Ground Module SN, BM SW
version, Chassis SW version, Platform Module SN,
but you will not see the Platform Module SW version
or the Platform Module HW version. The Analyzer
screen will read:
8. Hit the right arrow button once. The screen will read: