JLG X20JP - X600AJ Service Manual - Manual (Page 304)

SECTION 6 - JLG CONTROL SYSTEM
6-88 – JLG Lift – 3121623
If the lead battery will not receive the charge, replace the
lead battery
25 – Volt at the lead battery with the machine on, are
exactly the same with the machine off.
In this case the DC-DC doesn’t work.
Check fuse F7 if present, then check Relay R1 (page Y2 of
the wiring diagram).
If everything is ok, check the connections from the lead
battery 12 Volt and the DC-DC.
G – Ventilation fans don’t work
Check fuse F2, then check the fans timer “T1” (page Y5 of
the wiring diagram).
If it is all ok, check the connection from the 12 Volt lead
battery to the BMS (Feed connector – R1 – R4 – T1 5
ways BMS connector – BMS).
H – Battery charger doesn’t work properly.
Try to connect the network cable, and check the battery
charger light; after two minutes, is it red or is it flashing
red/green?
If it is red, go to step 6, if it is red/green, go to step 7.
Figure 6-74.
26 - Connecting the network cable, after two minutes the
light on the battery charger is red.
Go to step 6.
27 - Connecting the network cable, after two minutes the
light on the battery charger is flashing red/green.
Go to step 7.
I – During the charge, plug icon on the display change
intermittently with the battery icon.
Figure 6-75.
Figure 6-76.
Check the value “battery%” in the INPUT menu, press but-
ton number 6 “service”, then 1 “input”, then 1 “previous”.
Press button number 9 “Esc” to go back.
Figure 6-77.
If during the charge the battery level is changing intermit-
tently from 100% to another value, go to step 21.
If during the charge the battery level is not 100%, leave the
machine under charge for a complete night.