7
Maintenance and disassembly
Voltwerk VS 3, 4, 5
7.1
Cleaning the fans
Inverters with a 3 kW output have no fan.
If the inverter is fitted outside or in a very dusty environment,
the fans may become contaminated. Contaminated fans may
reduce the inverter output.
Cleaning the fans
1. Clean fans regularly with a vacuum cleaner.
7.2
Testing the fans
Inverters with a 3 kW output have no fan.
Testing the fans
1. Go to the SERVICE menu in the display.
2. Switch to the FAN TEST menu item.
SERVICE
FAN TEST
3. Press and hold the button to switch to FAN TEST in the
submenu.
FAN TEST
START
Operating manual
7 Maintenance and disassembly
The line flashes
47