10 Troubleshooting
User Manual
38
Alarm
Possible
causes
Measures
Note
2. Check whether
the
protection
parameter is set to
an
appropriate
value.
zero-power
operation if there is
no standby state),
but the charging
power
is
not
affected.
In
the
off-grid
mode, the local
controller
will
control the system
to shut down.
One or More
High
Battery
Level2
Battery
voltage/SOC
is
higher than the
"Vbat Uplimit2".
1. Stop charging
In
the
on-grid
mode, the local
controller
will
control the PCS to
enter the standby
state (or control the
PCS to perform
zero-power
operation if there is
no standby state),
but the charging
power
is
not
affected.
In
the
off-grid
mode,
the
user-side
EMS
needs to stop the
external
power
being fed into the
system.
2. Check whether
the
protection
parameter is set to
an
appropriate
value.
Battery Group
DC V-Diff too
Large
For multiple of
BCPs,
or
the
system in which
battery DC sides
are
directly
connected
in
parallel, "Battery
Direct
Connect
Voltage Value" is
greater than the
set value.
1. Check whether
the parameter is
set
to
an
appropriate value.
When the alarm
occurs, the local
controller does not
respond
to
the
instruction sent by
the customer EMS
to close the BMS
contactor.
2. Check whether
the system voltage
difference between
battery
racks
whose DC sides
are connected in
parallel is relatively
large.
Summary of Contents for EMS200
Page 1: ...EMS200 V12 UEN Ver11 201812 EMS200 Local Controller User Manual...
Page 2: ......
Page 6: ...IV...
