D7212G

Power Supply

4.3Charging Status and Low Battery LEDs

LEDs Off When Normal

YEL

Charging Status

RED

Low Battery

Figure 6: Charging and Battery LEDs

Type

LED

LED

Action

Color

State

 

 

Charging

Yellow

 

Shows the charging status of the battery. Figure 6 on page 27 shows its

Status

 

 

location.

LED

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.

 

 

 

When 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 draw more than 1.4 A. If the LED comes on regularly for extended

 

 

 

periods or doesn’t go out, check the current draw for devices connected

 

 

 

to the power outputs. See Section 5.0 Power Outputs on page 29 for

 

 

 

instructions.

 

Yellow

Flash

System is checking the battery.

 

 

once/min

 

 

Yellow

Flash

When the current draw for devices connected to the power outputs

 

and Red

once/min

exceeds 1.4 A and/or the battery is missing.

Low

Red

 

Shows the condition of the battery. Figure 6 on page 28 shows its

Battery

 

 

location.

LED

Red

Off

When the battery is fully charged.

 

Red

On

Battery voltage as fallen below 12.1 VDC. LED goes out when voltage

 

 

 

reaches 13.7 VDC.

 

Red

Flash

Green LED is Operation Monitor LED.

 

 

(same

Battery is missing or shorted.

 

 

rate as

 

 

 

Green

 

 

 

LED)

 

 

Red and

Flash

When current draw for devices connected to the power outputs exceeds

 

Yellow

once/min

1.4 A and/or the battery is missing.

Table 8: Charging Status and Low Battery LEDs

D7212G Operation and Installation Guide

4998138544C

Page 28

© 2003 Bosch Security Systems

Page 28
Image 28
Bosch Appliances D7212G manual Charging Status and Low Battery LEDs, Type, Action, Color State