Parameters On The Smu - Huawei TP48200A-D17A5-2 Telecom Power User Manual

TP48200A-D17A5-2 Telecom Power
User Manual
No. Maintenance Item
2 Check the red indicator status.
3 Check the LCD display status.
4 Check that the SMU can
communicate with the network
management system (NMS).

4.1.5 Parameters on the SMU

Table 4-5 SMU parameter maintenance
No. 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.
4 Check whether the displayed
total load current is the same as
the actual current measured by a
clamp meter.
5 Check whether the displayed
battery charge current is the
same as the actual current
measured by a clamp meter.
6 Check whether the difference
between the displayed DC
Issue 04 (2019-12-20)
If...
Steady on:
 A critical or major alarm is
generated.
 The SMU is faulty.
 The LCD flat cable is
loose.
 The SMU is faulty.
 The communications cable
is loose.
 Networking parameters are
not correctly set.
Possible 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.
 The current monitoring
cable is loose.
 The SMU is faulty.
 The current monitoring
cable is loose.

The SMU is faulty.
 The cabinet busbar and
cables are loose or in poor
Copyright © Huawei Technologies Co., Ltd.
4 Maintenance
Then...
securely connected.
3. Replace the SMU.
1. Check related components
based on alarms.
2. Replace the SMU.
1. Check that the LCD flat
cable is securely connected.
2. Replace the SMU.
1. Check that the
communications cable is
securely connected.
2. Check that networking
parameter settings are
correct.
Suggestion
Set battery parameters again.
Change the value as required.
Otherwise, retain 0.15C10.
1. Replace the battery
temperature sensor.
2. Replace the SMU.
1. Check that the current
monitoring cable is securely
connected.
2. Replace the SMU.
1. Check that the current
monitoring cable is securely
connected.
2. Replace the SMU.
1. Check and secure the cabinet
busbar and cable
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