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4.3 Stop
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;
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 needs to be followed as well as the below maintenance and inspection routine.
4.4.1
Maintenance contents
Store the operation data
Check the inverter
operation status
Clean the surface
Check the electrical
connection
Check the cooling fan
PD201809 AEG GRID-TIED THREE-PHASE SOLAR INVERTER (4-10 kW) V.2-18 EN
Regular maintenance
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.
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.
Check the ambient humidity and dust around inverter, clean
the inverter when necessary. See Section 4.4.2
.
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.
Observe whether the air inlet/outlet is normal; check
whether there are cracks on the fan leaf. Listen for abnormal
noise during fan rotation. Clean the air inlet/outlet if
necessary; If any issue occurred to the fan, replace it
immediately. Refer to section 4.4.2.
Maintenance methods
Maintenance cycle
Once each quarter
Every six months
Every six months
Every six months
Every six months
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