Hardware Installation and Reference Guide Troubleshooting
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The Status LED of each service module 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. The fan does not work.
Troubleshooting:
First place the switches of all the power modules to OFF. Check if the cables of the cabinet have been correctly
connected. Check whether the power cables are tightly connected to the cabinet power sockets and power modules.
Check whether the power modules are installed correctly. If necessary, pull out the power modules and check whether
the connectors on the backboard of the power system are tightened.
Fault 3: The serial port console has no output.
Fault Description:
After the system is started, the serial port console does not display any information.
Troubleshooting:
Check whether serial port cables are connected correctly and whether the connected serial port is
identical with that configured on the super terminal. Check whether the configuration of the serial port
on the super terminal is the same as that described in Configuration Guide. If not, modify the serial port
configuration parameters. If there is still no serial port printed information, please contact TAC of Ruijie
Networks for technical support.
Fault 4: The serial port console outputs illegible characters.
Fault Description:
The serial port console outputs illegible characters.
Troubleshooting:
Such problem is related to the settings of the serial port. Check if the settings of such parameters as the
baud rate match those in the Configuration Guide.
Fault 5: The newly-inserted expansion module fails to be powered on.
Fault Description:
The system is running, yet all LEDs on the panel of the newly-inserted expansion modules are OFF,
and the port is faulty.
Troubleshooting:
Check whether the expansion module is connected correctly and whether the PWR1 and PWR2 LEDs
turn yellow. If the LEDs become yellow, it means the system is short of power, please add an RPS
power module or change the power module. If all checking are OK, but the newly-inserted expansion
module still cannot be powered on, please contact TAC of Ruijie Networks for technical support.
Fault 6: The link cannot be set up between fiber interfaces.
Fault Description:
The system runs normally. After the fiber interface is inserted into the optical module and the optical
fiber is properly connected, the link cannot be set up.
Troubleshooting:
First confirm whether the interface is a copper/fiber combo interface. If yes, it should be configured in
fiber mode. Then, do as follows:
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