FACP
Manuals
Resource Center
Tools
Ask AI
Sign In
Ask AI
Sign In
Home
•••
Resources
Trouble Codes
Fire Lite
Ms 9200udls
Telco Line 2
Resource Center
Browse
Home
Questions
252
Trouble Codes
688
Panels
24
Panel Specs
24
Learn
NFPA 72-2025
Community
Community Wall
Tools
Ask AI
TELCO LINE 2: MS-9200UDLS Trouble Code | Fire Alarm Resource Center
TELCO LINE 2
trouble
Fire-Lite MS-9200UDLS
99 views
·
0 field notes
What This Code Means
The panel has detected a loss of voltage or failure on telephone line 2.
Common Causes
1
Cut phone line
2
Phone company service outage
3
Loose RJ31X connector
Resolution Steps
Verify the presence of dial tone and voltage on the second phone line. Check the connection between the panel and the telephone block.
Manual References
(3)
1
fire-lite
MS-9200UDLS
Installation
2005
p. 110, 153, 108
Open
2
fire-lite
MS-9200UDLS Rev 2
Datasheet
2009
Open
3
fire-lite
MS-9200UDLS Rev 3
Datasheet
2010
Open
Getting TELCO LINE 2 on your MS-9200UDLS?
Ask TroubleShooter AI for help
→
Field Notes
Loading field notes...
Sign in
to share a field note
Related Codes
NAC 3 FAULT
A fault condition (open or short) has been detected on Notification Appliance Circuit 3.
COMM FAULT 1
The communicator failed to successfully transmit a report to the central station using line 1.
TELCO LINE 1
The panel has detected a loss of voltage or failure on telephone line 1.
COMM FAULT 1 / COMM FAULT 2
Indicates a communication failure between the panel's internal Digital Alarm Communicator/Transmitter (DACT) and the central station.
NAC 4 FAULT
A 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?