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Annunciator Fault
trouble

Fire-Lite MS-5024

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What This Code Means

Communication has been lost between the main control panel and a remote annunciator.

Common Causes

  • 1Wiring fault on the communication bus
  • 2Incorrect annunciator address
  • 3Loss of power to the annunciator

Resolution Steps

Check the wiring between the panel and the annunciator. Verify the annunciator is powered and that its address matches the panel configuration.

Manual References(4)

Field Notes

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Related Codes

Bell 1 circuit faultA fault condition (open or short) exists on Notification Appliance Circuit 1.Ground faultThe control panel has detected that a supervised circuit, such as a zone or NAC, is in contact with earth ground.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.DrillThe fire drill function has been manually activated to test notification appliances.Low batteryThe standby battery voltage is below the critical threshold required for proper operation.

Related Questions

How do I perform a walk test on the MS-5024 without triggering a full alarm?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?
All MS-5024 trouble codesMS-5024 panel page