Bosch Security Systems | 10/03 | 43488E
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D9412G/D7412G | Operation & Installation Guide |
4.3 Charging Status and Low Battery LEDs
4.0 Power Supply
Table 10: Charging Status and Low Battery LEDs
Type LED Color LED State Action
Charging
Status LED
Yellow Shows the changing status of the battery. See
Figure 6
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 5.0 Power Outputs
for instructions.
Yellow Flash once
per minute
System is checking the battery.
Yellow and
Red
Flash once
per minute
Indicates when the current draw for devices connected to the power outputs
exceed 1.4 A and/or the battery is missing.
Low Battery
LED
Red Shows the condition of the battery. See
Figure 6
for location.
Red Off Battery is fully charged.
Red On
Battery voltage has fallen below 12.1 VDC. LED darkens when voltage reaches
13.7 VDC.
Red
Flash
(same as
green LED)
Green LED is Operation Monitor LED.
Battery is missing or shorted.
Red and
Yellow
Flash once
per minute
Indicates the current draw for devices connected to the power outputs exceeds
1.4 A and/or the battery is missing.
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