Hardware Problems
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When a problem is detected with a fan, the front panel Alarm LED lights orange, the LED of
the fan unit in which the error has occurred lights orange, and an error is recorded in the
event log. If a fan error occurs, contact the vendor's service department.
When the XG2000CR overheats, the Alarm LED lights orange, and a temperature error is
recorded in the event log. In this case, check that the ambient and internal rack temperatures
are within the specified temperature range, adjust them if they are not and try turning the
XG2000CR back on. If the error continues to occur even though the ambient rack tempera-
ture is acceptable, turn the XG2000CR off and contact the vendor's service department.
When a voltage problem is detected, the Alarm LED lights orange, and an error is recorded in
the event log. In this case, turn the XG2000CR off and contact the vendor's service depart-
ment.
When a power supply problem is detected, the Alarm LED lights orange, the power supply
LED of the power supply unit in which the error has occurred lights orange, and an error is
recorded in the event log. Verify that the AC power cord is not loose.
If some other reason has caused the power supply LED to light up, contact the vendor's ser-
vice department.
An initial memory diagnostic is perfomed at power on. If a memory error is detected, the sys-
tem boot up is stopped. Error information may be display on the console screen. If this occurs
the front panel alarm/operation LEDs continue to displayed "Boot up" status. If the "Boot up"
status continues more than 3 minutes power cycle the switch and monitor the console. If the
switch does not boot after 3 minutes the initial memory diagnostic may have failed. Contact
the service representative of your seller.
When single bit memory error is detected at system boot up, the error is recorded in the event
log. If single bit errors occur frequently, or a multiple bit error occurs the switch will reboot.
If single bit or multiple bit memory errors are detected repeatedly, contact the service repre-
sentative of your seller.
In addition, if the transceiver overheats, the system shutdown the XFP module and the event
is recorded in the event log . Power to the XFP module is turned off and port communication
cease. Follow the instructions in "2-3-1 Installing the XFP modules(P.59)" and "2-3-2 Unin-
stalling the XFP modules(P.60)" to replace the XFP module.
3-2
Hardware Problems
This section explains what should be done when a fan, temperature, voltage, power supply, mem-
ory, or XFP error occurs. Contact the vendor's service department when the following errors occur.
Fan error
Temperature error
Voltage error
Power supply error
Memory error
XFP error
