Sungrow EMS200 - Recommended Maintenance Tasks

9 Routine Maintenance User Manual
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Cover the possible live components with insulation cloth during operation.
9.2 Routine Maintenance
The following maintenance work is recommended.
Item
Method
Operation
environment
 Check to ensure that there is no strong EMI device
around the local controller.
 Check to ensure that there is no hot source around the
local controller.
 Check to ensure that there is no corrosive materials
around the local controller.
Hardware
maintenance
 Check to ensure that the power supply voltage is normal.
 Check to ensure that the cables are connected firmly.
 Check to ensure that the cable is grounded well.
System cleaning
 Clean the enclosure, circuit board, and components.
 Clean the heat dissipation holes and the cover.
Terminal and
cable connection
 Check if the screws of the control terminals are loose,
and refasten them with screwdriver if necessary.
 Check if the connection copper bar or screws are
discolored.
 Check the wiring layout and the device terminal
connections.
Software
maintenance
 Log into the WEB to check the device communication
status.
 Log into the WEB to check parameter settings of the
local controller.
 Log into the WEB to check the software version of the
local controller.