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Troubleshooting Tip

When diagnosing codes, always check the event history log first. Many trouble conditions are intermittent and tied to environmental factors like temperature or moisture.

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Secondary C. Communications Fault: MS-5024 Trouble Code | Fire Alarm Resource Center

Secondary C. Communications Fault

trouble

Fire-Lite MS-5024

71 views·0 field notes

What This Code Means

The Digital Alarm Communicator Transmitter (DACT) failed to communicate with the secondary central station.

Common Causes

1Incorrect central station phone number
2Wrong account format programmed
3Excessive line noise
4Receiver failure at central station

Resolution Steps

Verify the secondary phone number and account settings in programming. Test the phone line for noise or interference.

Manual References(4)

1fire-liteMS-5024Installation1997Open

2fire-liteMS-5024UDInstallation1997Open

3fire-liteMS-5024Operating Instructions1994Open

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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.SUPX (X=Zone Number)A condition indicating that a waterflow sensing device, its wiring, or a tamper switch is in an off-normal state.

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 codes MS-5024 panel page