"3072ES / 3772ES / 3772ES HD" Service & Parts Manual October 2008
Page 4-39
Single Battery Charger, HB1500-48
ART_2374
HB1500-48
ALL LED’S MUST BE OFF BEFORE
CONNECTING TO AC POWER
INDUSTRIAL
BATTERY CHARGER
FAU LTSTATUS
HSB1500-48
AUTO SELECTABLE DUAL AC INPUT
100 - 240V ~ 50/60 Hz 18A
48V
25A
Please see service manual for additional information.
Normal, battery is 100% charged
Normal, battery is over 80% charged
Normal operation, charger is charging
No AC power to charger
OFF
ON
ON
YELLOW
OFF
OFF
ON
OFF
OFF
ON
OFF
OFF
OFF
80% 100% FAULT
BATTERY CHARGER
INDICATOR
OFF
OFF
OFF
OFF
STATUS
80% 100%
FAULT
To determine if a charger is malfunctioning, identify the problem from the following list and refer to the
Trouble Table for instructions.
1. Charger does not turn ON -or- no yellow LED
2. Red FAULT LED is ON or BLINKING
3. Batteries do not fully charge
4. The AC supply circuit breaker is tripped or fuse is blown
If the problem is not listed above, refer the problem to a qualified service agent for additional trouble
shooting procedures.
Note: Over 1/2 of all battery chargers returned as “failed” are good. Please
follow the troubleshooting procedures carefully and check all other
items before returning the charger.
Fault
Condition
YELLOW
LED
-Output open circuit or short circuit or reverse polarity
connection of charger to batter y
- Battery voltage is too high (may be connected to wrong
voltage battery)
100%80%CHG
GREEN
LED
GREEN
LED
RED
LED
OFFOFF OFF TWO
FLASH
OFFOFF OFF ONE
FLASH
XXXON
- Charger has timed-out at 22 hours – battery pack
probably bad or bad cell.
- Battery pack probably bad
- Weak or bad cell
X = “don’t care” LED may be ON or OFF
Fault Codes
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