Diagnosing With The Leds - HP ProCurve 420 Installation And Getting Started Manual

Diagnosing with the LEDs

Table 4-1 shows LED patterns on the access point that indicate problem
conditions.
1.
2.
Table 4-1.
Off with power cord plugged in
Off without power cord plugged in,
* This LED is not important for the diagnosis.
†
The blinking behavior is an on/off cycle once every 3 seconds, approximately.
Diagnostic Tips:
Tip Problem
1
The access point 1. Verify that the power cord is plugged into an active power source and to the access
is not plugged
into an active AC
2. Try power-cycling the access point by unplugging and plugging the power cord back
power source, or
the access
3. If the Power LED is still not on, verify that the AC power source works by plugging
point's AC power
adapter may
have failed.
If the power source and power cord are OK and this condition persists, the access point's
AC power adapter may have failed. Call your HP-authorized LAN dealer, or use the
electronic support services from HP to get assistance. See the Customer Support/
Warranty booklet for more information.
Check in the table for the LED pattern that you see on your access point.
Refer to the corresponding diagnostic tip on the next few pages.
LED Error Indicators
LED Pattern Indicating Problems
Power
but linked to a PoE source
†
Prolonged Blinking
On
On
On
point's AC power adapter. Make sure these connections are secure.
in.
another device into the outlet. Or try plugging the access point into a different outlet
or try a different power cord.
Diagnosing with the LEDs
Wireless LED 10/100-TX LED
* *
* *
* *
Off *
* Off with cable
connected
* On, but the port is not
communicating
Solution
Troubleshooting
Diagnostic
Tips
1
2
3
4
5
6
4-3