14  1200C-2000C Fire Alarm Control Panel and Repeater User Manual 
Panel operation in fault 
The internal buzzer sounds to indicate a fault. 
1. Press the Silence Buzzer button to silence the internal buzzer.  
2. The yellow Fault LED is steady to indicate a fault in the fire system. 
3.  The yellow fault LED for the corresponding feature or device is also steady. 
Table 9: Fault LED indications 
LED indication  Action required 
A specific zone  Call the maintenance engineer. 
Disable  A zone, loop, or device has been disabled. 
Supply fault  Check the mains supply and battery. 
System fault  Call the maintenance engineer. 
Test (Controls)  A specific zone has been placed in test mode. The fault remains until 
the test is complete. 
Fault/Disable (Sounders)  The sounders are disabled or there is a fault with the connection. 
Enable the sounders. If the fault continues, check the connections. 
Fault/Disable (Fire brigade)  The fire brigade notification has been disabled or there is a fault with 
the connection, Enable the Fire brigade notification. If the fault 
continues, check the connections. 
 
Fault details are also displayed on the LCD screen. The figure below shows a 
communication fault in zone 6, area 1 at address 12 in loop 1 (the fault is in a specific 
zone). 
Figure 11: The alarm screen (fault) 
 
ALARM: 1  Event: 79  Active
Zone: 6  Area: 1 ALMLVL   
Address: 1/12  Communication fault   
MCP  06/02/05 09:39:34   
(Site text – up to 40 characters) 
    ¿À X
Alarm: 0  Faults: 1 Cond.: 0  P: 1 SDZ