JLG 3248RS/10RS Service Manual - Manual (Page 36)

SECTION 3 - CHASSIS & SCISSOR ARMS
3-4 – JLG Lift – 3121273
3.4 BATTERY CHARGING
NOTE: Be sure that machine is parked in a well ventilated
area before charging begins.
CAUTION
ONLY PLUG THE CHARGER INTO A PROPERLY INSTALLED AND
GROUNDED OUTLET. DO NOT USE GROUND ADAPTORS OR
MODIFY PLUG. DO NOT TOUCH NON-INSULATED PORTION OF
OUTPUT CONNECTOR OR NON-INSULATED BATTERY TERMI-
NAL.
DO NOT OPERATE CHARGER IF THE AC SUPPLY CORD IS DAM-
AGED OR IF THE CHARGER HAS RECEIVED A SHARP BLOW,
BEEN DROPPED, OR OTHERWISE DAMAGED IN ANY WAY.
ALWAYS DISCONNECT THE CHARGER AC SUPPLY BEFORE
MAKING OR BREAKING THE (POS/NEG) CONNECTIONS TO THE
BATTERY.
DO NOT OPEN OR DISASSEMBLE CHARGER.
1. The battery charger AC input plug is located in an
opening on the panel at the lower rear of the machine.
2. Connect the charger AC input plug to a grounded out-
let using a 3 wire heavy duty extension cord. (See
Table 3-1, Battery Charger Specs, for battery charger
AC input specifications.)
3. When powered up the charger will go through a short
LED indicator self-test. The battery charger LED indica-
tors on the charger (Figure 3-5.), will flash in sequence
for two seconds. These LED indicators can be viewed
through the opening on the rear panel where the char-
ger AC cord is accessed.
4. The batteries are fully charged when the green light on
the battery charger status panel is illuminated.
NOTE: If the charger is left plugged in, the charger will
automatically restart a complete charge cycle if the
batteries voltage drops below a minimum voltage or
30 days has elapsed.
Battery Charger Fault (LED Flash)
If a fault has occurred during battery charging, the (AMBER
or RED) LED on the charger LED indicator will flash corre-
sponding to the fault which occurred. Refer to Table 3-2 fol-
lowing for the flash codes and their meaning.
If required, further general and troubleshooting information
about the battery charger can be found in the charger manu-
facturers Owner’s Guide.
Figure 3-5. Charger Decal LED Indicators
GREEN (ON) -
Battery Fully Charged
AMBER (ON) -
Battery Charging
AMBER (FLASHING) -
Battery/System
Problem
RED (FLASHING) -
Charger Problem
GREEN
AMBER
RED
LEDS
Table 3-2. Battery Charger Fault (LED Flash)
FLASHING LED FAULT REMEDY
AMBER Battery High Voltage
Upon battery voltage >2.5V per cell @ startup, charger shall flash amber LED and not allow
charging - Battery or System problem.
AMBER Battery Low Voltage
Upon battery voltage <0.17V per cell @ startup, charger shall flash amber LED and not
allow charging - Battery or System problem.
AMBER Failed Trickle to min V
Should battery fail to reach 1.75V per cell charge shall flash an amber LED until charger is
power cycled - Battery or System problem.
RED Charger Internal Fault Signals a hardware fault of the charger and shall indicate flashing red LED.