
92 User Manual UM0007_ASW3000-5000H-S_EN_V01_0321
13 Maintenance
Normally, the inverter needs no maintenance or calibration.
Regularly inspect the inverter and the cables for visible damage.
Disconnect the inverter from all power sources before cleaning.
Clean the enclosure with a soft cloth. Ensure the heat sink at the
rear of the inverter is not covered.
13.1 Cleaning the contacts of the DC switch
Clean the contacts of the DC switch annually. Perform cleaning
by cycling the switch to on and off positions 5 times. The DC
switch is located at the lower left of the enclosure.
13.2 Cleaning the heat sink
Clean the heat sink with compressed air or a soft brush. Do not
use aggressive chemicals, cleaning solvents or strong
detergents.
For proper function and long service life, ensure free air
circulation around the heat sink.
Risk of injury due to hot heat sink
The heat sink may exceed 70
℃
during operation. Do not
touch the heat sink during operation.
• Wait approx. 30 minutes before cleaning until the heat sink
has cooled down.