AC Loss (shown only when requested): MS-5024 Trouble Code | Fire Alarm Resource Center
AC Loss (shown only when requested)
trouble
Fire-Lite MS-5024
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What This Code Means
The AC ON indicator turns off and the trouble LED turns on when the AC line voltage drops below the Low Line threshold.
Common Causes
1AC line voltage drops below the Low Line threshold (102VAC for MS-5024)
2AC Brownout condition
3Complete loss of primary AC power
Resolution Steps
Enter Troubleshoot Mode by pressing MODE 8768 and [ENTER/STORE]. Press A followed by the [ENTER/STORE] key to display the AC input voltage. Verify that the AC line voltage is within the normal range (115VAC for MS-5024). Restore AC power to the panel; the control panel will turn on the AC LED and clear the trouble message upon restoral.
