JLG X20JP - X600AJ Service Manual - Manual (Page 234)

SECTION 6 - JLG CONTROL SYSTEM
6-18 – JLG Lift – 3121623
MODULE FLASHING CODE
ECM2 (MASTER BOARD FRONT MODULE) LED
CODE :
With LED permanently ON
DL1 green LED ON: Power +5V to MASTER BOARD FRONT
MODULE CPU
DL2 yellow LED ON: All the outriggers are lifted from the
ground or machine is aligned (photocells signal)
DL3 yellow LED ON: All the outriggers are touching the
ground or all the outriggers are lifted from the ground
Figure 6-40.