JLG X390AJ-X14J Supplement Manual page 74

SECTION 3 - TROUBLESHOOTING AND FAULT CODES
17. Wrench icon does not show on the display.
Check fuse F1, then check if the relay coils of R1
and R4 have 12 volts with the key switch ON.
If the coils show supply, go to step 18, if not go
to step 19.
18. Coils of R1 and R4 receive no supply with the key
switch ON.
Check the connections from 12V Lead-acid bat-
tery to R1 and R4 coils, then check pin A30 and
A29 of the ECM 1-2.
19. Coils of R1 and R4 receive suply.
Check relay R4, then check the connection from
wire GR/R of R4 to pin no. 2 of "5 ways BMS con-
nector", if failure remains go to step 7.
C - Electric Motor does not run
If battery package level is "zero", go to failure
description B. If other trouble codes are dis-
played, please refer to the Service Manual.
If there are no troubles codes shown, check the
connections from the Inverter to the electric
motor.
Click on "Lithium Battery System" tab as
shown above and check the values indi-
cated as shown in adjacent image
At the end of Battery Charge, values as shown in
above image are displayed.
3-12
D - It is not possible to charge the battery pack-
age
If Red/green light is present on the battery char-
ger LED during the charge, go to step 7.
E – It is not possible to charge the battery pack-
age at 100%, even after several hours of charge
If after connecting the 110-220V power cable,
the light on the battery charger is red after two
minutes, go to step 6, if not go to step 20.
20. Battery charger works correctly, but the battery
level never reaches 100%.
Connect the 120-220V power cable and keep it
connected to the machine until the light on the
battery charger will flash yellow, then leave it
connected for at least 2 more hours.
If failure remains, go to step 21.
21. Battery charger lamp flashes yellow, but the bat-
tery pack level never reached 100% of charge.
Connect the RamHino tool to the machine, and
select the accurate LITHIUM model on window
menu Machine as shown below.
a. Delta (mV): it is the difference between the
highest cell and the lowest cell ( Volt). It
should be approximately 50 (mV) or less.
MAF12100
31215460