6
Troubleshooting
Symptom
Possible Cause Troubleshooting Measure
The PWR
indicator on the
monitoring
board is off.
● Cable
connections
are
abnormal.
● The
monitoring
board is
faulty. The
monitoring
board is
faulty.
● Check the cable connections. If the cable connections are
abnormal, reconnect the cables. If the cable connections
are normal, replace the monitoring board.
● If the fault persists, contact Huawei technical support.
The RUN
indicator on the
monitoring
board is off.
● Cable
connections
are
abnormal.
● The
monitoring
board is
faulty.
● Check the cable connections. If the cable connections are
abnormal, reconnect the cables. If the cable connections
are normal, replace the monitoring board.
● If the fault persists, contact Huawei technical support.
The ALM
indicator on the
monitoring
board is on.
● An alarm is
raised for
the new
main way.
● The
monitoring
board is
faulty.
● Check the ECC800 alarm. If an alarm is raised, clear the
alarm according to the handling procedure. If no alarm is
raised, replace the monitoring board.
● If the fault persists, contact Huawei technical support.
New Main Way 2.0
User Manual
6 Troubleshooting
Issue 05 (2020-10-15)
Copyright © Huawei Technologies Co., Ltd.
50