FACP
Manuals
Resource Center
Tools
Ask AI
Sign In
Ask AI
Sign In
Home
•••
Resources
Trouble Codes
Fire Lite
Ms 5024
Resource Center
Browse
Home
Questions
252
Trouble Codes
688
Panels
24
Panel Specs
24
Learn
NFPA 72-2025
Community
Community Wall
Tools
Ask AI
MS-5024 Trouble Codes | Fire-Lite | Fire Alarm Resource Center
MS-5024 Trouble Codes
22 trouble codes for the Fire-Lite MS-5024
AC Loss
The panel has lost AC power or the voltage has dropped below the brownout threshold.
trouble
AC Loss (shown only when requested)
The AC ON indicator turns off and the trouble LED turns on when the AC line voltage drops below the Low Line threshold.
trouble
Annunciator Fault
Communication has been lost between the main control panel and a remote annunciator.
trouble
Primary C. Number Communication Fault
The Digital Alarm Communicator Transmitter (DACT) failed to communicate with the primary central station.
trouble
Secondary C. Communications Fault
The Digital Alarm Communicator Transmitter (DACT) failed to communicate with the secondary central station.
trouble
Drill
The fire drill function has been manually activated to test notification appliances.
maintenance
Ground fault
The control panel has detected that a supervised circuit, such as a zone or NAC, is in contact with earth ground.
trouble
Failed Up/Download
The panel failed to complete a remote programming upload or download session.
trouble
Ground fault
The control panel has detected a ground fault condition on the supervised field wiring or initiating device circuits.
trouble
Low battery
The standby battery voltage is below the critical threshold required for proper operation.
trouble
Bell 1 circuit fault
A fault condition (open or short) exists on Notification Appliance Circuit 1.
trouble
Bell 2 circuit fault
A fault condition (open or short) exists on Notification Appliance Circuit 2.
trouble
No battery
The panel does not detect any battery connected to the charging terminals.
trouble
Supervisory Alarm Zone # n
A supervisory condition has been detected on the specified zone, indicating a fire protection system component is off-normal.
supervisory
SUPX (X=Zone Number)
A condition indicating that a waterflow sensing device, its wiring, or a tamper switch is in an off-normal state.
supervisory
System Off Normal
The system is in a non-standard operating mode, such as Troubleshoot or Programming mode.
maintenance
Primary Phone Line Fault
The panel has detected a loss of voltage or connection on the primary telephone line.
trouble
Secondary Phone Line Fault
The panel has detected a loss of voltage or connection on the secondary telephone line.
trouble
Zone 1 disabled
A specific initiating zone has been manually deactivated by a user, preventing it from triggering alarms or reporting troubles.
trouble
Alarm Zone # n
An initiating device on the specified zone has entered the alarm state.
alarm
Zone n disabled
The specified initiating zone has been manually disabled and will not report alarms.
maintenance
Trouble on zone n
An open circuit or wiring fault has been detected on the specified initiating zone.
trouble
