Trouble Shooted FACP Trouble HIGHLY RECOMMEND REPLACEMENT OF FACP (Fire Alarm Control Panel)PANEL HAS A BOARD LEVEL FLOATING EARTH GROUND. (FACP WAS IN TROUBLE UPON ARRIVAL FOR ANNUAL FIRE ALARM INSPECTION) Checked All wiring inputs and out-puts. All checked out fine within Normal operating limits. Fire Panel intermittently goes in and out of trouble. This has to be addressed and is a life safety issue for proper operation of Fire Alarm System. Panel cannot and should not be kept in trouble Silence position. If this switch is left in silence you will never know when Fire Panel shows a trouble. Recommended Replacement part# FIRE-LITE MS-4 Current FACP CONVENTIONAL 4 ZONE PNL 1-NAC CIRCUIT NON-RESETTABLE 24 volt PWR OUT-put for duct power.