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Low battery
trouble

Fire-Lite MS-5024

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What This Code Means

The standby battery voltage is below the critical threshold required for proper operation.

Common Causes

  • 1Old or failing batteries
  • 2Extended AC power loss
  • 3Charging circuit failure

Resolution Steps

Allow batteries to charge for 48 hours if AC was recently restored. If the condition persists, measure battery voltage and replace batteries if they do not hold a charge.

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.Annunciator FaultCommunication has been lost between the main control panel and a remote annunciator.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.Ground faultThe control panel has detected that a supervised circuit, such as a zone or NAC, is in contact with earth ground.DrillThe fire drill function has been manually activated to test notification appliances.

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