Bosch d9412gv3 User Manual

Page of 76
D9412GV3/D7412GV3 | Operation and Installation Guide | 5.0 
Power Supply 
 
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.