TRBL 3trouble
Fire-Lite MS-9200UDLS: TRBL 3
Fire-Lite MS-9200UDLS·2 views·0 field notes
What This Code Means
An open circuit exists on a control module's Notification Appliance Circuit (NAC) or a monitor module's Initiating Device Circuit (IDC).
Common Causes
- 1Open circuit on a control module's Notification Appliance Circuit (NAC)
- 2Open circuit on a monitor module's Initiating Device Circuit (IDC)
- 3Broken field wiring
- 4Municipal Box not reset
Resolution Steps
Press the Acknowledge switch to silence the piezo and turn the System Trouble LED steady. Inspect the field wiring for the specific control or monitor module indicated on the LCD. Verify that the Notification Appliance Circuit (NAC) or Initiating Device Circuit (IDC) is intact and that the proper end-of-line resistor is installed. If the trouble involves a Municipal Box, check the wiring and ensure the box is reset according to local codes.