Mec Speed Level 2684 RT Service And Parts Manual page 177

T
R O U B L E S H O O T I N G
B
A T T E R Y
INDUSTRIAL
BATTERY CHARGER
ALL LED'S MUST BE OFF BEFORE
CONNECTING TO AC POWER
Table 4b-5: Battery Charger Fault Codes
CHG 80%
YELLOW GREEN
LED LED
X
X
OFF
OFF
OFF
OFF
X = "don't care" LED may be ON or OFF
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 addi-
tional trouble shooting procedures.
"3084 Speed Level™ Sigma Lift" Service and Parts Manual
- 3 0 8 4 E S
M O D E L
C , HB1500-48
H A R G E R
HSB1500-48
AUTO SELECTABLE DUAL AC INPUT
100 - 240V ~ 50/60 Hz 18A
48V 25A
STATUS FAULT
100% Fault
GREEN RED
LED LED
X ON
ONE
OFF
FLASH
TWO
OFF
FLASH
- - T
R O U B L E S H O O T I N G
BATTERY CHARGER
INDICATOR
No AC power to charger
Normal operation, charger is charging
Normal, battery is over 80% charged
Normal, battery is 100% charged
Please see service manual for additional information.
STATUS
80% 100%
HB1500-48
Condition
• Battery pack probably bad
• Weak or bad cell
• Batteries excessively discharged
• Output open circuit or short circuit or reverse polarity connection
of battery to charger
• Battery voltage is too high (may be connected to wrong voltage
battery)
• Charger has timed-out at 22 hours (battery pack probably bad or
bad cell)
B C : E
A T T E R Y H A R G E R
Figure 4b-11: Battery Charger
YELLOW 80% 100%
OFF OFF OFF
ON OFF OFF
ON ON OFF
OFF OFF ON
FAULT
ART_2374
November 2009
Page 4b-35
L E C T R I C
FAULT
OFF
OFF
OFF
OFF