Sungrow EMS200 - Alarm Information on Battery

User Manual 10 Troubleshooting
37
10.2.2 Alarm Information on Battery
Alarm
Possible
causes
Measures
Note
One or More
Low Battery
Level1
Battery
voltage/SOC is
lower than the
"Vbat Lowlimit1".
1. Reduce
discharging power.
In the on-grid
mode, the local
controller will limit
the discharging
power of the PCS
until it drops to 0,
but the charging
power is not
affected.
In the off-grid
mode, the
user-side EMS
needs to control
external load
power.
2. Check whether
the protection
parameter is set to
an appropriate
One or More
High Battery
Level1
Battery
voltage/SOC is
higher than the
"Vbat Uplimit1".
1. Reduce
charging power
In the on-grid
mode, the local
controller will limit
the charging power
of the PCS until it
drops to 0, but the
discharging power
is not affected.
In the off-grid
mode, the
user-side EMS
needs to limit the
external power to
be fed into the
system.
2. Check whether
the protection
parameter is set to
an appropriate
value.
One or More
Low Battery
Level2
Battery
voltage/SOC is
lower than the
"Vbat Lowlimit2".
1. Stop
discharging.
In the on-grid
mode, the local
controller will
control the PCS to
enter the standby
state (or control the
PCS to perform