FusionModule1000B Air-Cooled IT Solution
Maintenance Guide
4 Routine Maintenance
Issue 02 (2017-01-10)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
42
Item
Method
Expected
Result
Troubleshooting
Pipes
Check the safety
clamps.
Nuts on safety
clamps are
secure.
If a nut is loose, tighten it using a
hex key.
4.5.3 Monitoring System
Table 4-17
Semi-annual maintenance checklist for the monitoring system
Item
Method
Expected
Result
Troubleshooting
LAN switch View the LAN
switch power
indicator (PWR).
The PWR
indicator is
steady green.
None
If the indicator
is off, the
power supply
unit (PSU) is
not detected,
or the power
supply to the
board is
abnormal
when the
switch is
configured
with one PSU.
Check the power supply. If the
power supply is normal, replace by
following instructions in
The PWR
indicator is
steady red.
If the PWR indicator is steady red:
Check whether two PSUs are
configured, and switch on the
power supply.
Check that the power supply is
switched on.
The power supply to the board
and the PoE power supply are
faulty. For details, see
If the PWR
indicator is
steady orange,
the PoE is
abnormal
when the LAN
switch is
configured
with one PSU.
Replace by following instructions in