3Com 3C8227C User Guide - Page 51

D, Troubleshooting

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D TROUBLESHOOTING If the LEDs on the SuperStack® 3 Advanced RPS chassis indicate a problem refer to Table 3 which contains a list of problems and possible faults. If you have a problem that is not listed here and you cannot solve it, please contact your local technical support representative. Refer to Appendix E. Table 3 Problems indicated by LEDs Problem Possible Fault No Input LED ON s Mains power is not present. s AC cable may be incorrectly connected. s Power cord may be faulty. Power module present, No Output LED ON s LED has failed. Contact your supplier. s Power module is incorrectly installed. s DC cable is not connected. s SuperStack unit is not connected. s SuperStack unit does not require RPS power. s LED has failed. Contact your supplier. Power module present, Yellow LED ON s Power module connected to SuperStack unit whose requirement exceeds the DC output available. s Power module output is out of specification. Contact your supplier. s Power module has failed. Contact your supplier.

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D
T
ROUBLESHOOTING
If the LEDs on the SuperStack
®
3 Advanced RPS chassis indicate a
problem refer to Table 3 which contains a list of problems and
possible faults.
If you have a problem that is not listed here and you cannot solve it,
please contact your local technical support representative. Refer to
Appendix E.
Table 3
Problems indicated by LEDs
Problem
Possible Fault
No Input LED ON
■
Mains power is not present.
■
AC cable may be incorrectly connected.
■
Power cord may be faulty.
■
LED has failed. Contact your supplier.
Power module present,
No Output LED ON
■
Power module is incorrectly installed.
■
DC cable is not connected.
■
SuperStack unit is not connected.
■
SuperStack unit does not require RPS power.
■
LED has failed. Contact your supplier.
Power module present,
Yellow LED ON
■
Power module connected to SuperStack unit
whose requirement exceeds the DC output
available.
■
Power module output is out of specification.
Contact your supplier.
■
Power module has failed. Contact your supplier.