User's Manual

Table Of Contents
7 Troubleshooting
54 APCD–NC006–A
Master cannot communicate
with any Stations
Master NCL1170 is disabled. Connect a computer to the RS-232 port and log
into the NCL1170.
Ensure that the radio transmission is enabled.
Check RSSI.
Master NCL1170 configuration is incorrect. Connect a computer to the RS-232 port and log
into the NCL1170.
Verify radio channel.
Verify Master unit ID.
Verify Station IDs have been added to
Remote Station List.
Verify that the Master has all Stations
enabled.
Verify routing or bridging.
Verify Routing Table, if applicable. See
Verifying NCL1170 Routing, on page 55.
Master NCL1170 antenna system has a
problem.
Check RSSI.
Verify RF connections.
Check RF cable for damage.
Check antenna for damage.
Master cannot communicate
with an individual Station
Station is not receiving power. Ensure that the device is plugged into a 110 -
230 VAC outlet and that there is power at the
outlet.
Check all cables for loose or faulty
connections. Replace cables if necessary.
Station NCL1170 antenna system has a
problem.
Check RSSI.
Verify RF connections.
Check RF cable for damage.
Check antenna for damage.
Check for any deviation from set direction.
Antenna line-of-sight (LOS) to master has
been obstructed.
Check RSSI.
Ensure that a clear LOS still exists to the
Master NCL1170 antenna.
Station configuration is incorrect. Connect a computer to the RS-232 port and log
into the NCL1170.
Verify radio channel.
Verify Station unit ID.
Verify Master unit ID.
Verify routing or bridging.
Verify Routing Table, if applicable. See
Verifying NCL1170 Routing, on page 55.
Station is disabled. Connect a computer to the RS-232 port and log
into the Master NCL1170 for the group.
Verify that the Station has been enabled from
the Master.
Check RSSI.
Station has not been added to the Master
NCL1170 Remote Station List.
Connect a computer to the RS-232 port and log
into the Master NCL1170 for the group.
Verify the Station has been added to the
Remote Station List.
Verify the Routing Table, if applicable. See
Verifying NCL1170 Routing, on page 55.
Symptom Possible Cause Solution