Sungrow EMS200 - Page 50

10 Troubleshooting User Manual
44
Fault
Possible causes
Measures
Nodes 1-8 Fault
Dry contact collection
port 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
fault collection, the node
can control the system to
shut down via the local
controller.
Power-on failure
1. The power supply port
of the local controller is
not connected to the
power source.
1. Check whether the
power cable connecting the
local controller is firmly in
place.
2. The power source is
faulty.
2. Replace the power
source.
3. The local controller is
faulty.
3. Contact us.
Failure to
communicate with
background
1. Communication
between the local
controller and the
background failed.
1. Check whether the
Ethernet port of the local
controller is firmly in place
to the PC or router.
2. The network
parameter is incorrectly
set.
2. Check whether the
network parameter is
correctly set.
3. The forwarding
protocol is incorrectly
configured.
3. Check whether the
forwarding protocol is
correctly configured.