Fire Alarm Control Panel, Fire Lite, Model 4xmbm-pcb, Ms-4424brm. (only Board)
ZONE 4, NAC 2,, GF, RELAY TROUBLE, ALARM.
ZONE 4, NAC 2,, GF, RELAY TROUBLE, ALARM.
FIRE ALARM CONTROL PANEL, FIRE LITE, MODEL MS-4424 BRM. ZONE 4, NAC 2,, GF RELAY TROUBLE, ALARM.