Huawei ECC800-Pro - Page 259

Table 7-5 Common faults and troubleshooting for UIM20A expansion module
Symptom Possible Cause Measure
The RUN indicator is o. The contact between the
independent deployment
AI_DI unit and the
ECC800-Pro is abnormal,
or the independent
deployment AI_DI unit is
faulty.
Check whether the cable
connection between the
ECC800-Pro and the
UIM20A expansion
module is normal and
whether the board is
faulty.
The RUN indicator is
blinking at short
intervals (2.5 Hz, on for
0.2s and then o for
0.2s).
Communication between
the independent
deployment AI_DI unit
and the main control
module is interrupted.
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.
The ALM indicator is on. An alarm whose default
severity is major exists.
Check and clear the
alarm.
Table 7-6 Common faults and troubleshooting for the independent deployment
AI_DI unit
Symptom
Possible Cause Measure
The PWR indicator is o. The independent
deployment AI_DI unit is
faulty or the power to
the independent
deployment AI_DI unit is
abnormal.
Check whether the board
is faulty and whether the
cable connection
between the ECC800-Pro
and independent
deployment AI_DI unit is
normal.
The RUN indicator is o. The contact between the
independent deployment
AI_DI unit and the
ECC800-Pro is abnormal,
or the independent
deployment AI_DI unit is
faulty.
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.
ECC800 Data Center Controller
User Manual (for ECC800-Pro) 7 Maintenance
Issue 02 (2020-09-07) Copyright © Huawei Technologies Co., Ltd. 248