Sungrow Logger4000 User Manual page 105

11 Troubleshooting
Fault
Remote parameter
setting failed
The fast dispatch
instruction in Goose
messages is not
issued to the inverter
when an external
communication
module is connected
104 background
cannot remotely
control DO
96
Possible Cause
Communication connection is
abnormal.
Communication connection is
abnormal.
The current operation mode of
the inverter does not support
the parameter setting.
Fast Scheduling Switch is
disabled.
No inverter is added to the
MPLC port.
DO control type is
not configured as
"Communication Control"
Corrective measure
Check whether the
communication cable is
correctly connected, and try to
upgrade the inverter again if so.
If the fault persists, contact
SUNGROW Customer Service.
Log into the Web, and verify
whether the communication
status is normal on the Device
Monitoring page.
Identify the current operation
status of the inverter. For
example, the active power
rising speed and drop speed
can be set only when the speed
control switch of the inverter is
enabled.
• Log into the Web.
• Click System > Port
Parameter > RS485, and
click , to set Fast
Scheduling Switch to
Enable.
• Log into the Web.
• Click Device > Device List
> Add Device.
• Click the function column
of corresponding DO and
select Communication
Control.
• Log into the Web.
• Click System > Port
Parameter > DO, and
click the function column
of corresponding DO and
select Communication
Control.
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