12.0 Messages
If you see any of the following messages, contact your servicing company to determine if repairs are needed:
Table 5: System Trouble Messages
System Trouble Message
CALL FOR SERVICE
SERVC AC FAIL
SERVC BATT LOW
SERVC BATT MSING
Bosch Security Systems, Inc. | 8/06 | F01U011793B
Description
Call your servicing company. Your system might have failed.
The AC power to the system is interrupted. Check the plug-in transformer and circuit breaker. Pressing
[TROUBLE SILENCE] on the D1256RB or entering [COMMAND][4] on the D1255RB silences the trouble
buzz. The display clears when AC power returns.
The system's battery is low or temporarily draining faster than the system can charge it. If this message
remains or appears frequently, call your servicing company.
The system's battery is disconnected or shorted.
Fire System | User's Guide | 12.0
Messages
34