10 S&C Instruction Sheet 661-500
Components
LCD Screen
When the charger is on, the LCD screen will display the
charger status. Information displayed on the LCD screen
depends on either of the following:
• If the charger is powered from the battery only
• If the charger is powered from either the 120-Vac single-
phase or three-phase power source with the battery
connected
Display on the screen when the charger is pow-
ered from battery only:
If the charger is powered from
battery only, the following information will be displayed
on the LCD screen:
Battery status:
• BAT OK–Battery is good
• BAT LOW–Battery is low
• BAT BAD–Bad battery
Internal temperature (°F)
Time (24-hour format)
Date (MM/DD/YYYY format)
BV – Battery Voltage
Battery test history
NOTICE
The battery test results on the LCD screen will be
overwritten by the results of subsequent battery tests .
The battery test results on the LCD screen are also
cleared if the charger is turned off and then turned
back on .
This information will automatically scroll on the LCD
screen every three seconds.
Display on the screen when the charger is powered
from either ac source with the battery connected:
If the charger is powered from an ac source (either
120-Vac single-phase or three-phase voltage sensors) with
the battery connected, the following information will be
displayed on the LCD screen:
Battery Status:
• BAT OK–Battery is good
• BAT LOW–Battery is low
• BAT BAD–Bad battery
Charger Status:
• CHR OK–Charger is good
• CHR UV–Charger undervoltage
• CHR OV–Charger overvoltage
Internal temperature (°F)
Time (24-hour format)
Date (MM/DD/YYYY format)
CV–Charger Voltage
BC–Battery Charge Current
Battery test history
NOTICE
The battery test results on the LCD screen will be
overwritten by the results of subsequent battery tests .
The battery test results on the LCD screen are also
cleared if the charger is turned off and then turned
back on .
This information will automatically scroll on the LCD
screen every three seconds.