24
T
ROUBLE SHOOTING
New devices are shipped with same logical network group assignment and should have no
problem of communicating each others. If two
used
devices can not communicate
•
Check the logical network group to make sure they are the same using PLC configuration
utility.
•
If they are the same, and device still not communicate, the electric wiring may be causing
the problem. Examples of potential problems are:
– Old fuse boxes.
– Old wiring that does not meet modern wiring building codes.
•
Firstly, make sure the devices are functioning well. Plug these units onto nearby electric
outlets in the same room or onto one same power strip with noise filtering. If these two
devices can communication, go to
long distance debugging steps
; if these two devices
still can not communication, continue to check the following.
•
Checking Ethernet cables are securely plugged in
•
Checking power supply
•
Checking LEDs are properly lit, blinking, or turned off
•
Uninstalling and reinstalling the device
•
Doing a "ping" test to see whether your device is connected to the network
•
Gradually increase the distance between Powerline units. Your testing will determine
whether the distances you can achieve.
Long distance debugging steps:
•
Gradually increase the distance between the two Powerline devices. Some nearby outlets
may be harder for the devices to communicate than the farer outlets. It all depends on
electrical wiring topologies. Try with different outlets on different wall or different rooms.
•
Swap devices to isolate the problem to a particular Powerline unit.
•
If there are problem areas, have a qualified electrician review the building’s electrical plans,
assessing the noise conditions for each phase of the power.
•
Pay special attention to the electrical noise generated by the following devices:
–
Air conditioning
