Huawei SmartDC V100R021C10 User Manual page 301

ECC800 Data Center Controller
User Manual
Table 7-5 Common faults and troubleshooting for UIM20A expansion module
Symptom
The RUN indicator is off.
The RUN indicator is
blinking at short
intervals (2.5 Hz, on for
0.2s and then off for
0.2s).
The ALM indicator is on.
Table 7-6 Common faults and troubleshooting for the independent deployment
AI_DI unit
Symptom
The PWR indicator is off.
The RUN indicator is off.
Issue 04 (2021-10-09)
Possible Cause
The contact between the
independent deployment
AI_DI unit and the
ECC800-Pro is abnormal,
or the independent
deployment AI_DI unit is
faulty.
Communication between
the independent
deployment AI_DI unit
and the main control
module is interrupted.
An alarm whose default
severity is major exists.
Possible Cause
The independent
deployment AI_DI unit is
faulty or the power to
the independent
deployment AI_DI unit is
abnormal.
The contact between the
independent deployment
AI_DI unit and the
ECC800-Pro is abnormal,
or the independent
deployment AI_DI unit is
faulty.
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7 Maintenance
Measure
Check whether the cable
connection between the
ECC800-Pro and the
UIM20A expansion
module is normal and
whether the board is
faulty.
Check whether the cable
connection between the
ECC800-Pro and the
UIM20A expansion
module is normal,
whether the board is
faulty, and whether the
UIM20A expansion
module is added on the
ECC800-Pro WebUI.
Check and clear the
alarm.
Measure
Check whether the board
is faulty and whether the
cable connection
between the ECC800-Pro
and independent
deployment AI_DI unit is
normal.
Check whether the
independent deployment
AI_DI unit is faulty and
whether the cable
connection between the
ECC800-Pro and
independent deployment
AI_DI unit is normal.
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