Sungrow Logger4000 User Manual

11 Troubleshooting User Manual
Fault Possible Cause Corrective measure
Communication connection is
abnormal.
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.
Communication connection is
abnormal.
Log into the Web, and verify
whether the communication
status is normal on the Device
Monitoring page.
Remote parameter
setting failed
The current operation mode of
the inverter does not support
the parameter setting.
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.
Fast Scheduling Switch is
disabled.
• Log into the Web.
• Click System > Port
Parameter > RS485, and
click , to set Fast
Scheduling Switch to
Enable.
The fast dispatch
instruction in Goose
messages is not
issued to the inverter
when an external
communication
module is connected
No inverter is added to the
MPLC port.
• Log into the Web.
• Click Device > Device List
> Add Device.
• Click the function column
of corresponding DO and
select Communication
Control.
104 background
cannot remotely
control DO
DO control type is
not configured as
"Communication Control"
• Log into the Web.
• Click System > Port
Parameter > DO, and
click the function column
of corresponding DO and
select Communication
Control.
96

Sungrow Logger4000 Specifications

General

Brand	Sungrow
Model	Logger4000
Category	Data Loggers
Language	English