Sungrow SH5K - Routine Maintenance Checks; Button Battery Replacement Safety

8 Troubleshooting and Maintenance User Manual
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8.2 Maintenance
8.2.1 Routine Maintenance
Item Method Period
General state
of the system
y
Visual check for any damage or
deformation of the inverter.
y
Check any abnormal noise during the
operation.
y
Check each operation parameter.
y
Be sure that nothing covers the heat
sink of the inverter.
Every 6 months
Electrical
connection
Check whether there is damage to the
cables, especially the surface in contact
with metal.
6 months after
commissioning and
then once or twice a
year.
8.2.2 Replacing the Button Battery
Disconnect the inverter from the grid first, then the PV array and the battery
before any maintenance work.
Lethal voltage still exists in the inverter. Please wait at least 10 minutes and
then perform maintenance work.
There is a button battery on the inner PCB board of the LCD. Contact the SUNGROW
Service Dept. for replacement when the relevant fault alarm occurs.
Check the fastener, appearance, voltage, and resistance quarterly and annually.