No. Maintenance Item Possible Fault Cause Suggestion
2 Check the red indicator
status.
Steady on:
● A critical or major alarm
is generated.
● The SMU is faulty.
1. Check related
components based on
alarms.
2. Replace the SMU.
3 Check the LCD display
status.
● The LCD at cable is
loose.
● The SMU is faulty.
1. Check that the LCD at
cable is securely
connected.
2. Replace the SMU.
4 Check that the SMU can
communicate with the
network management
system (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
parameter settings are
correct.
4.1.7 Parameters on the SMU
Table 4-7 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 Coecient. The
value is typically 0.1C and
adjustable.
N/A Change the value as
required. Otherwise, retain
0.10C.
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.
4 Check whether the
displayed total load current
is the same as the actual
current measured by a
clamp meter.
● Battery current detection
fault.
● The SMU is faulty.
1. Check that the current
monitoring cable is
securely connected.
2. Replace the SMU.
iSitePower Integrated Smart Site (ICC1000-A1-E1)
User Manual 4 Maintenance
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