UTC Fire and Security FenwalNET 8000-ML User Manual

Troubleshooting
P/N 06-237041-001 6-1 February 2011
CHAPTER 6
TROUBLESHOOTING
6-1 INTRODUCTION
This chapter lists all the error messages, their probable causes, and suggested procedures to return
the FenwalNET
8000-ML
TM
System to proper operating condition.
WARNING
Do not attempt any of the corrective actions listed in this chapter until you have:
• Physically disconnected the wiring to initiator assemblies (if used) from the release-
circuit terminals, shorted the leads together, and wrapped the leads in insulating tape
• Physically disconnected all control heads (if used) from their associated agent storage
container discharge valves
• Physically disconnected the wiring to solenoid valves (if used) for pre-action/deluge-
sprinkler systems
• Ensured that emergency operations controlled by this system such as facility power
shutoff are bypassed
• Notified personnel in the facility and at off-premises monitoring locations that
you are working on the system and that you will inform them when system
servicing has ended.

UTC Fire and Security FenwalNET 8000-ML Specifications

General

Brand	UTC Fire and Security
Model	FenwalNET 8000-ML
Category	Control Unit
Language	English