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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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LOW BATTERY: MS-9200UDLS Trouble Code | Fire Alarm Resource Center

LOW BATTERY

trouble

Fire-Lite MS-9200UDLS

66 views·0 field notes

What This Code Means

The standby battery voltage has fallen below the required threshold.

Common Causes

1Old or failing batteries
2Extended AC power loss
3High resistance in battery cables

Resolution Steps

Measure the battery voltage. If AC power was recently restored, allow 24 hours for recharging. Replace batteries if they are more than 3-5 years old.

Manual References(3)

1fire-liteMS-9200UDLSInstallation2005p. 110, 153, 108Open

2fire-liteMS-9200UDLS Rev 2Datasheet2009Open

3fire-liteMS-9200UDLS Rev 3Datasheet2010Open

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