Installation Guide

D9412GV4/D7412GV4/D7212GV4 | Installation and Operation Guide | 5.0 Power Supply
Bosch Security Systems, Inc. | 3/12 | F01U266054-01 29
Table 7: Charging Status and Low Battery LEDs
Type
LED
Action Color State
Charging Status
LED
Yellow
Shows the charging status of the battery. Refer to Figure 8
on
page 27 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 30 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 8 on
page 27 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.