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AC Losstrouble

Fire-Lite MS-5024: AC Loss

Fire-Lite MS-5024·1 view·0 field notes

What This Code Means

The panel has lost AC power or the voltage has dropped below the brownout threshold.

Common Causes

  • 1Primary power outage
  • 2Blown circuit breaker
  • 3Transformer failure
  • 4Brownout condition

Resolution Steps

Check the AC power source and circuit breaker. Verify the transformer output voltage. If a brownout exists, wait for utility power to stabilize.

Manual References(4)

Field Notes

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Related Codes

Zone 1 disabledA specific initiating zone has been manually deactivated by a user, preventing it from triggering alarms or reporting troubles.System Off NormalThe system is in a non-standard operating mode, such as Troubleshoot or Programming mode.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.Zone n disabledThe specified initiating zone has been manually disabled and will not report alarms.Ground faultThe control panel has detected that a supervised circuit, such as a zone or NAC, is in contact with earth ground.

Related Questions

How do I set zone types on the MS-5024?What is the maximum SLC loop capacity of the MS-5024, and which Fire-Lite detectors and modules are compatible?How do I troubleshoot a Loop Fault or SLC Communication Failure on the MS-5024?
All MS-5024 trouble codesMS-5024 panel page