27
E
N
CX SERIES BATTERY CHARGER
3.4 Charging status LED indicator
Charging status
LED status
Bulk-1
Orange fast
Bulk-2
Orange slow
Absorption-1
Orange solid
Absorption-2
Green solid
Float
Green flash
LED color change by the status change
3.5 Failure Indicator
Failure status
LED Status
Description
Input or Output
Red solid
Output current is reduced
to <1A
AC I/P unstable
Output FUSE blown
Temperature
Red fast
Battery over heat (the indi-
cator is available only when
COTEK temperature sensor
is connected)
Battery under heat (the indi-
cator is available only when
COTEK temperature sensor
is connected)
Charger over heat (Heat
Sink)
Battery voltage
Red slow
Battery over voltage
Battery under voltage or
output under voltage in C.C.
mode.
Fan abnormality
Red light flash twice
Fan abnormality
ESB failure
Red slow every 2 sec.
ESB no output / output short
3.6 Pin assignment of CN2 - for alarms signal & fan Control
3.7 Sleep mode
#
CR-1*)
CR-2*
1
)
Sleep mode
Fan speed
1
Normally closed
A
OFF
OFF
OFF
Fan will operate ac-
cording to heat sink
temperature and loads
condition
2
Normally open
B
OFF
ON
ON
Fan operates at 50%
duty
3
COM
C
ON
ON
ON
(deep sleep)
Fan stop
4
Sleep mode control
D
ON
OFF
ON
(deep sleep)
Fan stop
5
GND
4-5 Short
Sleep mode on
*1: Please refer to 3.5.
*2: CR-1 is the CX remote controller, and sleep mode can be set
by this remote controller.
4-5 Open
Sleep mode off
3.8 Pin assignment of CN3 – for temperature sensor & remote control 3.9 Pin Assignment of CN4 - for remote control
1
R_VCC
1
R_VCC
2
GND
2
BAT-
3
TEMP
3
NC.
4
BAT-
4
BAT-
5
DATA I/O
5
DATA I/O
6
NC.
6
NC.
3.10 Pin assignment of ESB connectors for 1703-1215/1225/1235
+
VCC
-
GND
