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Airnet® II 4-Channel Particle Sensors Operations Manual
6-1
Chapter 6
Troubleshooting
Use this chapter to help troubleshoot issues with the Airnet II 4-Channel particle
sensor, such as power issues, communication messages, errors, leaks, and particle and
transient-induced counts.
Troubleshooting Matrix
Problem
Symptoms
Possible Cause
Try...
No power
No lights
or
No communications
Power supply not
connected to a power
source
Check the seating of the power supply
cable in the unit.
Verify that the power supply is plugged
in.
Electrical power
source fault
Check the electrical outlet for power,
including any power strips or surge
protectors.
Power supply faulty
Try a different power supply.
If using PoE
Verify power is being supplied
Communications
not established –
Facility Net
displays
“Communications
Error”.
Unable to view data
from working sensor
Ethernet cable
problem
Replace the Ethernet cable that connects
the sensor to an Ethernet hub.
Unit not configured
correctly
Re-configure the unit. First check the
sensor’s IP Address and the computer’s
IP Address.
Computer hardware
or software problem
Substitute a computer with known good
Ethernet capability.
Refer to your computer’s Ethernet card
documentation to correct the fault.
Laser status error
Bad laser status
indication
Laser dead or
detector failure
Check status response for detector
failure messages.