Sungrow EMS200, User Manual

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User Manual
10 Troubleshooting
41
Alarm Possible causes Measures
the local controller.
Node 1/2/3/4/5/6/7/8
Alarm
Dry contact of the local
controller collects node
signals.
Check whether the device
connected
to the
corresponding dry contact
is normal.
The dry contact can be
configured for alarm or fault
collection.
When it is configured for
alarm, the node reports
alarms.
Air Condition
Temperature
Abnormal
The actual temperature
in the battery container is
higher
than "Air
Condition T Uplimit
Value" or Air Condition T
Lowlimit Value ".
1. Check whether the air
conditioner in the battery
container is faulty.
2. Check whether the
parameters such as "Air
Condition T Uplimit Value"
or Air Condition T Lowlimit
Value ". are appropriately
set.
Master Alloc
Abnormal Alarm
When multiple PCSs are
directly
connected in
parallel on the AC side,
there is no master or
more than one master.
Check the setting of master
and slave.
Note: * applicable only to SC1000 whose AC side is directly connected in
parallel.
10.3 Fault Diagnosis
10.3.1 Fault Information on Power Conversion System (PCS)
Fault Possible causes Measures
PCS fault
1. The grid is powered
off and the PCS is faulty.
1. Check the grid state, and
check whether the voltage
frequency is normal.