Huawei FusionModule5000 Maintenance Manual page 106

FusionModule5000 Smart Modular Data Center
Maintenance Guide (ECC800)
No.
4
Table 4-4 Common faults and troubleshooting for the monitoring module
No.
1
2
3
Issue 01 (2019-03-05)
Symptom
(yellow) is blinking.
The Alarm indicator
(red) is steady on.
Symptom
The Run indicator (green)
is off.
The Run indicator (green)
is blinking at 4 Hz.
RJ45 power output
indicators turn off
(involved ports:
AI/DI1–AI/DI6,
COM1–COM4, and
DO1–DO2).
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Possible Cause
failure
Monitoring module
communication failure
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 monitoring module
does not register with the
NetEco.
The corresponding power
ports have no output.
The corresponding power
4 Troubleshooting
Measure
in the rear of the
faulty PSU.
2. If the fault persists,
replace the ECC800
subrack.
 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.
Register the monitoring
module with the NetEco.
Energize corresponding
power ports over the
WebUI or network
management system.
Check whether the
connected load is
98