JLG 1250AJP Service Manual - Manual (Page 478)

SECTION 6 - JLG CONTROL SYSTEM
6-46 – JLG Lift – 3121171
8. Use the arrow keys to reach Boom Valves. The
screen will read:
9. Hit Enter. The screen will read:
10. Hit Enter. The screen will read:
11. If the main lift wiring and hosing is properly installed
and not damaged, hit enter. The screen will read: