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Ac Loss

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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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AC LOSS: MS-9200UDLS Trouble Code | Fire Alarm Resource Center

AC LOSS

trouble

Fire-Lite MS-9200UDLS

85 views·0 field notes

What This Code Means

The panel has detected that the primary AC power has dropped too low or failed, causing the AC POWER indicator to extinguish and the system trouble indicator to activate.

Common Causes

1AC power drops too low
2AC power fails
3Power failure
4Brownout

Resolution Steps

If AC power drops too low or fails, AC POWER indicator will extinguish, the system TROUBLE indicator will turn on yellow, and the panel buzzer and any other audible trouble devices will sound. authorized service personnel immediately.

Manual References(2)

1fire-liteMS-9200UDLSInstallation2015p. 201, 198, 97, 194, 8 +5Open

2fire-liteMS-9200UDLSInstallation2005p. 110, 108, 153, 181, 182 +7Open

Field Notes

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Related Codes

NAC 3 FAULTA fault condition (open or short) has been detected on Notification Appliance Circuit 3.COMM FAULT 1The communicator failed to successfully transmit a report to the central station using line 1.TELCO LINE 1The panel has detected a loss of voltage or failure on telephone line 1.COMM FAULT 1 / COMM FAULT 2Indicates a communication failure between the panel's internal Digital Alarm Communicator/Transmitter (DACT) and the central station.NAC 4 FAULTA fault condition (open or short) has been detected on Notification Appliance Circuit 4.

Related Questions

What does INVREP trouble mean on the MS-9200UDLS and how do I resolve it?How do I perform a walk test on the MS-9200UDLS?How do I troubleshoot a ground fault on the MS-9200UDLS?

All MS-9200UDLS trouble codes MS-9200UDLS panel page