Huawei MTS9300A - 4.1.5 Parameters on the SMU

No. Maintenance
Item
Possible Cause Suggestion
2 Check the yellow
indicator status.
● Steady on: A minor
alarm or warning is
generated.
● Steady on: The SMU is
faulty.
1. Check related components based on
alarms.
2. Replace the SMU.
3 Check the red
indicator status.
● Steady on: A critical or
major alarm is
generated.
● Steady on: The SMU is
faulty.
1. Check related components based on
alarms.
2. Replace the SMU.
4 Check the LCD
display status.
● The LCD cable is loose.
● The SMU is faulty.
1. Check that the LCD cable is securely
connected.
2. Replace the SMU.
5 Check that the
SMU can
communicate
with the NMS.
● The communications
cable is loose.
● Networking parameters
are not correctly set.
1. Check that the communications cable
is securely connected.
2. Check that networking parameters are
correctly set.
4.1.5 Parameters on the SMU
Table 4-5 SMU parameter maintenance
No.
Maintenance Item Possible Fault Cause Suggestion
1 Check whether the
displayed battery capacity
and number of battery
strings are the same as the
actual data.
● Parameters are set
incorrectly.
● The number of batteries
is changed, or batteries
are replaced.
Set battery parameters
again.
2 Check Charge Current
Limit Coecient. The
value is typically 0.15C10
and adjustable.
N/A Change the value as
required. Otherwise, retain
0.15C10.
3 Check whether the
displayed battery
temperature is the same as
the actual temperature.
● The battery temperature
sensor is faulty.
● The SMU is faulty.
1. Replace the battery
temperature sensor.
2. Replace the SMU.
MTS9300A Telecom Power (Ooredoo, Indonesia,
MTS9304A-HD2002)
User Manual 4 Maintenance
Issue 06 (2021-10-13) Copyright © Huawei Technologies Co., Ltd. 46