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D9412GV3/D7412GV3 | Operation and Installation Guide | 5.0 Power Supply
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Bosch Security Systems, Inc. | 10/10 | F01U143070-03 25
Reset the control panel by momentarily placing the
reset pin in the disable position. Refer to Figure 4 on
page 16. The red Low Battery LED continues flashing
until the control panel resets.
5.2.6 Battery Discharge and Recharge Schedule
Table 6: Battery Discharge and Recharge
Schedule
Discharge Cycle
AC Off:
AC Fail Report when AC fails, if
control panel is programmed to
report AC failure at occurrence.
13.9 VDC: Charging float level.
13.8 VDC: Charging status LED on.
12.0 VDC:
Low Battery and AC Fail Reports if
programmed. Low battery LED on.
<10.0 VDC:
Battery load shed (processing
functions continue if AC is present).
Recharge Cycle
AC On:
Load shed relay reset; battery
charging begins; Battery Trouble
and AC Restoral Reports sent.
13.7 VDC:
Battery Restoral Reports sent. Low
battery LED off.
13.9 VDC:
Changing status LED off; battery
float charged.
Table 7: Charging Status and Low Battery LEDs
LED
Type
Color State
Action
Charging Status LED Yellow
Shows the charging status of the battery. Refer to Figure 9 on
page 24 for location.
Yellow Off Battery is fully charged.
If the battery is missing, shorted, or reversed, the Charging Status
LED is off, but the red Low Battery LED is flashing.
Yellow On
Battery float charge is below 13.8 VDC. If AC is present, the
battery is charging.
Indicates the combined current draw from all outputs exceeds 1.4
A. This is normal under alarm conditions for non-fire systems with
sirens or bells drawing more than 1.4 A. If the LED lights regularly
for extended periods or does not go out, check the current draw
for devices connected to the power outputs. Refer to Section 6.0
Power Outputs on page 26 for instructions.
Yellow
Flash once per
minute
System is checking the battery.
Low Battery LED Red
Shows the condition of the battery. Refer to Figure 9 on page 24
for location.
Red Off Battery is fully charged.
Red On
Battery voltage dropped to between 12.0 VDC and 11.8 VDC.
LED turns off when voltage reaches 13.7 VDC.
Red
Flash
Battery is missing or shorted.