Troubleshooting
Issue 1: The AC power module does not work.
Details:
- The Status LED of each line card is OFF,
the Power LED of the fan tray is OFF, and
the fan does not work. The LED on the
panel of the power module is OFF.
Procedure:
1. Place the switches of all the power modules
to OFF. Check if the cables of the cabinet
have been correctly connected.
2. Check whether the power cables are tightly
connected to the cabinet power sockets and
power modules.
3. Check whether the power modules are
installed correctly. If necessary, check
whether the connectors on the backboard of
the power system are tightened.
4. Check whether the supply power output
consumption meets the overall power
consumption requirements, if it is less than
the consumption required by the system,
please purchase another power module.
Issue 2: An exception occurs to the LEDs
when line cards are powered on.
Details:
- The Status LED of the line card is OFF,
flashing, or RED. The Link/ACT LED of
the line card is solid ON when no network
cable or fiber is plugged.
Procedure:
1. Check if the line card is firmly inserted. If so,
install the line card again and ensure that
it is inserted into slot before you tighten the
fastening screws.
2. If the line card still does not work, check if
the connector of the slot on the backplane is
loose. If yes, insert the board to another slot
for a try.
3. If the slot and connection are not the cause,
return the line card for repair.
Issue 3: The LED is abnormal after a line card
works for some time.
Details: The Status LED of the line card is OFF
or RED. The Link/ACT LED of the line card
8 DGS-8000 Series Chassis-Based Switch
is solid ON when no network cable or fiber is
plugged. The fault remains after restart.
Procedure:
1. Check if the board gets loose. If so, install
the line card again and ensure that it is
inserted into slot before you tighten the
fastening screws.
2. If the line card still does not work, check if
the connector of the slot on the backplane is
loose and check if the guide rail of the slot is
deformed. If so, insert the board to another
slot for a try.
3. If the slot and connection are not the cause,
return the line card for repair.
Issue 4: The LED of the control module is
abnormal.
Details: The LED of the control module
becomes abnormal after the board is powered
on or works for some time. For example, the
Status LED is flashing or OFF, and the Alarm
LED is red.
Procedure:
1. Check if the control module gets loose. If so,
install the control module again and ensure
that it is inserted into slot, before you tighten
the fastening screws.
2. If the line card still does not work, check if
the connector of the slot on the backplane is
loose and check if the guide rail of the slot is
deformed. If yes, insert the board to another
slot for a try
3. If the slot and connection are not the cause,
return the control module for repair.
4. When the Alarm LED is red, the cause may
be the fault of another module in the system,
in which case you can check other modules
(for example, line card, fan, power, and
overheating) for any alarm. If yes, you should
first handle the faults of other modules. You
can also identify the faults by logging in to
the management software.
Issue 5: The fan tray does not work or an
exception occurs to the LED.
Details: After the system starts, the fans in the
fan tray do not work or the Power LED is OFF,
and the Alarm LED is red.