3Com SuperStack 3C16071B, User Manual

Page: 51 / 64

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.
16070ug4.bk.book Page 51 Thursday, December 14, 2000 12:17 PM