Edwards LaserSense 100

Chapter 4: Troubleshooting
LaserSense 100 Aspirating Smoke Detector Installers Handbook 37
Problem
Solution/Corrective Action
Low Flow error
message
Check that the pipe is not blocked.
If the pipe is unused, check that the flow sensor for this pipe has been
disabled.
Check that the low flow fault threshold is not set too high.
In the case of intermittent fault indications, try increasing the flow fault
delay time.
High Flow error
message
Check that the pipe is seated in the inlet and is not broken or cracked.
Check that installed pipework is fitted with endcaps. PipeCAD pipe
modeling software prompts for the use of appropriate endcaps. Open bore
pipes are not recommended.
Check that the high flow fault threshold is not set too low.
In the case of intermittent fault indications, try increasing the flow fault
delay time.