Overview, Continued 
A-7
 
 
Table 5-2.  Panel Responses 
 
Condition Panel Indications 
Alarm 
Red LED, corresponding to zone or SPM in alarm, pulses.  Tone-Alert 
sounds steady.  
Trouble 
Yellow LED, corresponding to zone or SPM with trouble condition, flashes.  
Tone-Alert pulses.  After acknowledging, the trouble LED stays ON until 
the trouble condition clears.  
Supervisory 
Yellow Supervisory LED flashes and tone-alert sounds if a sprinkler or 
waterpump valve is closed.  The zone location is indicated by the blinking 
yellow LED.  After the ACK button is pressed, the LED for the affected 
circuit will blink. 
 
Use the ACK key to acknowledge every abnormal status present in the system (i.e., if there are 
three alarms and two troubles, you must press the ACK key five times.)  The panel’s tone-alert 
turns off when all abnormal conditions are acknowledged. 
 
 
Acknowledging Alarms, Troubles, and Supervisory Conditions 
Panel Indications 
for Alarm, Trouble, 
Supervisory 
Condition 
Acknowledging 
Alarms