QSW-6200
Series Switch Hardware Installation and Reference Guide
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6 Troubleshooting
6.1 General Troubleshooting Flowchart
Make sure that the switch is installed to the rack.
Make sure that that the power cables are correctly connected.
Check the indicators.
Make sure that the serial port is connected firmly, and the parameters are set correctly.
Make sure that the optical fibers or cables are correctly connected to the ports.
Contact QTECH Customer Service Department for any hardware failure.
6.2 Troubleshooting Common Faults
Fault 1: The password to login the management interface is lost.
Fault Description:
A password is manually configured but it is forgotten or lost, causing failure in login and configuration.
Troubleshooting:
Contact TAC of QTECH for technical support.
Fault 2: The AC power module does not work.
Fault Description:
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
