Huawei FusionModule500 V100R021C10 User Manual page 215

FusionModule500 Smart Mini Data Center
User Manual
Symptom
The Alarm indicator
(red) is steady on.
Table 6-6 Common faults and troubleshooting for the monitoring module
No.
1
2
Issue 01 (2020-11-30)
Symptom
The Run indicator
(green) is off.
RJ45 power output
indicators turn off
(involved ports: AIDI_1
- AIDI_5, COM1-
COM4, and DO).
Copyright © Huawei Technologies Co., Ltd.
Possible Cause
Output overvoltage
protection
No output due to a PSU
fault
Possible Cause
There is no AC input.
The monitoring
module is faulty or not
securely installed.
The corresponding
power ports have no
output.
The corresponding
power ports are short-
circuited.
6 O&M
Measure
● If a single PSU is
locked out, disconnect
the AC input from the
PSU, and then power
on the PSU again
after the indicator
turns off. If the fault
persists, replace the
PSU.
● If multiple PSUs are
locked out, remove all
PSUs and reinstall
them one by one to
locate the faulty ones.
Then replace faulty
PSUs.
Replace the faulty PSU.
Measure
If the green indicators
on PSUs are steady on,
the power input to the
system is normal.
Otherwise, rectify
power grid faults.
Reinstall the
monitoring module. If
the fault persists,
replace the monitoring
module.
Energize corresponding
power ports over the
WebUI or network
management system.
Check whether the
connected load is
short-circuited. If yes,
eliminate the short
circuit.
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