Parameters On The Smu - Huawei MTS9300A User Manual

MTS9300A Telecom Power (Ooredoo, Indonesia,
MTS9304A-HD2002)
User Manual
No. Maintenance
Item
2 Check the yellow
indicator status.
3 Check the red
indicator status.
4 Check the LCD
display status.
5 Check that the
SMU can
communicate
with the NMS.

4.1.5 Parameters on the SMU

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