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NAC 3 FAULTtrouble

Fire-Lite MS-9200UDLS: NAC 3 FAULT

Fire-Lite MS-9200UDLS·2 views·0 field notes

What This Code Means

A fault condition (open or short) has been detected on Notification Appliance Circuit 3.

Common Causes

  • 1Missing 4.7K ohm EOL resistor
  • 2Broken circuit wiring
  • 3Short in a notification appliance

Resolution Steps

Check for the presence of the 4.7K ohm EOL resistor at the end of the circuit. Inspect wiring for opens or shorts.

Manual References(5)

Field Notes

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Related Codes

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