28
PD201808 AEG GRID-TIED THREE-PHASE SOLAR INVERTER (12-30 kW) V.2-18 EN
28
4.3 Stopping
Stop the inverter as follows for maintenance, inspection and troubleshooting purposes:
1.
Switch off the breakers at the AC side;
2.
Switch off the integrated DC switch;
3.
Switch off the switch on the DC side;
4.
Wait at least 5 minutes until the internal parts and components are discharged, then stop the inverter.
4.4 Maintenance
The inverter can generate power, and it starts and stops automatically. In order to optimize the service life of the inverter,
the instructions provided in this manual need to be followed as well as the below maintenance and inspection routine.
4.4.1 Regular maintenance
Maintenance contents
Maintenance methods
Maintenance cycle
Store the operation data
Use the provided real-time monitoring software to read
inverter running data, regularly back up all inverter running
data and statistics. Check the monitoring software and
inverter LCD screen to make sure the parameters
are set correctly.
Once each quarter
Inverter
operation status check
Check to make sure the inverter installation is stable, and
that no damage or deformation have occurred. When the
inverter is running, check to make sure the sound and
variables are normal, and use thermal imager
to check whether the case cooling is normal.
Every six months
Clean the surface
Check the ambient humidity and dust around inverter, clean
the inverter when necessary. See Section 4.4.2
Every six months
Electrical
Connection check
Check the cable connection and inverter terminals, make
sure they are connected reliably and that are not loose.
Check that the cables and terminals have no damage and
that the insulation is still reliable.
Every six months
Fan maintenance
and replacement
Check the fans of the inverter to ensure it produces a normal
sound, that there are no cracks on the fan blades, that power
lines and control signal lines are not damaged. If necessary,
clean the air inlet and outlet. If the fan is not functioning
properly, it needs to be replaced (see section 4.2.2)
Every six months
