Troubleshooting The Power System; Troubleshooting Fans - HP A6604 Installation Manual

Symptom 2
Symptom
Twenty minutes after the router is powered on or the FIP is inserted with power supply on, the
RUN LED still flashes at 8 Hz, which indicates that the FIP application failed to start or the FIP is
faulty. In this case, the FIP is in position, and if you enter the display version command, the
following information will be displayed:
Slot3:
The Board is present, state is unknown
Solution
Contact your local sales agent.

Troubleshooting the Power System

Symptom 1
Symptom
The router cannot be powered on. The power LED on the front panel is off.
Solution
Check that:
The power switch of the router is turned on.

The power cord is properly and firmly connected.

The power source of the router is turned on.

The power cord is not damaged.

If the cause cannot be located in the steps above and the problem persists, contact your local
sales agent.
Symptom 2
Symptom
The router cannot be powered on. The power LED on the front panel is red.
Solution
Check that:
The power module is firmly in place.

The power source meets the requirement of the router.

If the cause cannot be located in the steps above and the problem persists, contact your local
sales agent.

Troubleshooting Fans

Symptom 1
Symptom
After the router is booted, the following information appears:
%Jul 5 14:47:20:618 2007 HP DEV/4/FAN ABSENT: