L
L
H
H
2
2
0
0
0
0
D
D
R
R
G
G
U
U
S
S
E
E
R
R
M
M
A
A
N
N
U
U
A
A
L
L
O
O
F
F
W
W
I
I
R
R
E
E
L
L
E
E
S
S
S
S
A
A
D
D
S
S
L
L
2
2
/
/
2
2
+
+
R
R
O
O
U
U
T
T
E
E
R
R
M
M
O
O
D
D
E
E
M
M
Appendix Troubleshooting
This chapter covers potential problems and the corresponding remedies.
Using LEDs to Diagnose Problems
The Light-Emitting Diodes (LED) are useful aides for finding the possible
causes of problems.
Problem: Power LED Doesn’t Light Up
The Power (PWR) LED on the front panel does not light up.
STEPS
CORRECTIVE ACTION
Make sure that the router’s power adaptor is connected to the router and
1
plugged in to an appropriate power source. Use only the supplied power adaptor.
Check that the router and the power source are both turned on and the router is
2
receiving sufficient power.
Turn the router off and on.
3
If the error persists, you may have a hardware problem. Contact your vendor.
4
Problem: LAN LED Doesn’t Light Up
The LAN LED on the front panel does not light up.
STEPS
CORRECTIVE ACTION
1
Check the Ethernet cable connections between your router and the computer or
hub.
2
Check for faulty Ethernet cables.
3
Make sure your computer’s Ethernet card is working properly.
4
If the error persists, contact your local distributor for assistance.
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