JLG 15/20MSP Service Manual - Manual (Page 54)

SECTION 3 - BASE COMPONENTS
3-20 – JLG Lift – 3121231
3.7 BATTERY CHARGER - SERVICE
PROCEDURES
Battery Charger General Information
DO NOT ATTEMPT TO DISASSEMBLE THE BATTERY CHARGER
IF MACHINE IS STILL UNDER WARRANTY. OPENING THE BAT-
TERY CHARGER WHILE THE MACHINE IS UNDER WARRANTY
WILL VOID THE CHARGER WARRANTY. IF UNDER WARRANTY
REQUEST A REPLACEMENT CHARGER FROM THE FACTORY.
Battery Charger Maintenance Information
1. Make sure charger connections to battery terminals
are tight and clean.
2. Do not expose charger to oil or to direct heavy water
spraying when cleaning vehicle.
Battery Charge LED Indicator on Platform
Control Console
On normal power-up and operation this series of ten
(10) LEDs visually indicates the amount of charge
remaining in the batteries.
The number of LEDs lit will change depending on the
level of charge in the batteries.
• (+) All Three (3) GREEN LEDs lit up indicate maxi-
mum battery charge.
• Four (4) YELLOW LEDs indicate a two thirds to one
third battery charge remaining.
• (–) Three (3) RED LED’s lit indicate minimum battery
charge remaining. The machine will continue to
operate at this charge level but will begin to indicate
battery low voltage warning indicators.
Battery Low Voltage Warning Indicators
The Platform Control Console and Ground Control Station
indicate battery low voltage at three (3) Warning Levels.
(See Table 3-2. following).
Table 3-2. Battery Low Voltage Warning Indicators.
WARNING
LEVEL
INDICATOR LOCATION
RESULT
ACTION REQUIRED TO
CLEAR FAULT
PLATFORM CONTROL LED GROUND CONTROL LCD
LEVEL-1 • 3 LEDs/BARS Flashing
with an audible beep.
• Machine will Operate - No
Control Functions Locked
Out.
Charge batteries to a level of
four (4) LEDs/BARS or more
before operating.
LEVEL-2 • 2 LEDs/BARS Flashing
with an audible beep.
• Platform Lift-UP Function
is Locked Out.
Charge batteries for a mini-
mum of four (4) continuous
hours or more, or (8) LEDs/
BARS lit before operating. (a)
LEVEL-3 • 1 LED/BAR Flashing with
an audible beep.
• Drive and Platform Lift-UP
Functions Locked Out.
Charge batteries for a mini-
mum of four (4) continuous
hours or more, or (8) LEDs/
BARS lit before operating. (a)
NOTE: (a) To maximize battery life, it is recommended that the factory supplied batteries be charged continuously for a min-
imum of 4 hours or until 8 bars are lit on the ground station LCD Display before operating the machine. When drained
to Warning Level 2, batteries must be charged until 8 bars are lit on the ground station LCD display to clear the fault
code.