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Maintenance and troubleshooting
Power module failure
Symptom
The status LED on a power module is not steady green (active state) or flashing green (standby
state)
For more information about the power module LED, see
H3C LSVM1AC650 & LSVM1DC650 Power
Modules User Manual
.
Solution
To resolve the issue:
1.
Verify that the power cord is connected correctly.
2.
Verify that the power source is as required by the switch.
3.
Verify that the operating temperature of the switch is in the acceptable range and adequate
ventilation is available for the power module.
4.
If the issue persists, contact H3C Support.
To replace a power module, see "
Installing/removing power modules
."
Fan tray failure
CAUTION:
The switch has three fan tray slots. If one fan tray fails when the switch is operating, replace the fan
tray immediately and keep the failed fan tray in position before replacement. If two fan trays fail,
finish replacing at least one fan tray within 1 minute. Replace the fan trays one after another. Do not
remove them simultaneously.
Symptom
The alarm LED on an LSWM1BFANSC or LSWM1BFANSCB fan tray is steady yellow and the
system outputs alarm messages.
Solution
See "
" to replace the fan tray. If the issue persists, contact H3C Support.
Configuration terminal display issues
No output
Symptom
The configuration terminal does not have any output when the switch is powered on.
