3 normal operation – Fire-Lite CHG-75 Battery Charger User Manual
Page 26
Operation
Normal Operation
26
CHG-75 PN 51315:A 08/01/01
3.3 Normal Operation
While charging the batteries, the CHGING (charging) LED will turn on. When
batteries are fully charged, the charger maintains a float charge of 27.6 VDC. The SLC
LED and AC LED are the only other LEDs that should be on during normal operation if
SLC communication is programmed at the FACP and the SLC enable switch SW1 is
On.
LED
No
rma
l Op
er
ati
o
n
AC Fail
AC Fail
(with
AC lo
ss
r
epor
tin
g
de
lay
e
n
a
b
le
d
Ba
tte
ry
Fa
ult
(lo
w
ba
tter
y
)
D
is
con
n
ect
ed
B
a
tt
er
y
G
rou
nd Fau
lt
Sh
or
t C
ir
c
u
it
Sy
st
em
T
ro
ubl
e
(wi
th
M
a
ste
r T
rou
b
le In
Co
n
n
ecte
d
SLC
(if programmed and enabled)
✓
✓
✓
✓
✓
✓
✓
✓
AC Power On
✓
Trouble
✓
✓
✓
✓
✓
✓
✓
Ground Fault
✓
Low Battery
✓
✓
Charging
✓
✓= LED On (Note that Charge LED may blink on momentarily when switching to
trickle charge. LED will extinguish if battery is disconnected)
Table 3.1 LED Status Indicators