Common Faults And Troubleshooting - Huawei SmartDC V100R021C10 User Manual

ECC800 Data Center Controller
User Manual
Table 7-2 Routine maintenance for the main control module in the ECC800-Pro
Check Item
Indicator
Network
port
indicator
Operating
environment
Cable
connection

7.2 Common Faults and Troubleshooting

Table 7-3 Common faults and troubleshooting for PSUs
Symptom
The PWR indicator
(green) is off.
The ALM indicator
(yellow) is steady on.
The ALM indicator
(yellow) is blinking.
Issue 04 (2021-10-09)
Expected Result
The green indicator is
steady on or blinking.
The green indicator is
steady on, and the yellow
indicator is blinking.
● Ambient temperature:
–20°C to +50°C
● Humidity: 5–95% RH
(non-condensing)
The cable connection is
secure.
Cables are not damaged.
Possible Cause
There is no AC input.
The PSU is faulty.
Over temperature
protection is triggered.
AC input overvoltage or
undervoltage protection
is triggered.
Communication with the
PSU is interrupted.
Copyright © Huawei Technologies Co., Ltd.
Troubleshooting
If the indicator is off or any
abnormal condition occurs, see
common faults and troubleshooting
to rectify the fault.
If the indicator status is abnormal,
check the network cable connection.
If the humidity or temperature is
abnormal, check the smart cooling
product status.
Secure loose cables.
Replace damaged cables.
Measure
Check whether the AC
input is abnormal.
Replace the PSU.
● The ambient
temperature exceeds
the upper threshold,
and the cooling
capacity of the smart
cooling product needs
to be increased.
● The air channel is
obstructed and needs
to be unblocked.
Check whether the AC
input is abnormal.
1. Clean the connector
in the rear of the
faulty PSU.
7 Maintenance
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