D7212GV3 | Operation and Installation Guide | 5.0 Power Supply
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Bosch Security Systems, Inc. | 10/10 | F01U143079-03 23
Table 7: Charging Status and Low Battery LEDs
LED
Type
Color State
Action
Charging Status LED Yellow
Shows the changing status of the battery. Refer to Figure 7 on
page 22 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 24 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 7 on page 22 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
(same as green
LED)
Green LED is Operation Monitor LED.
Battery is missing or shorted.
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