6 Maintenance
SMA Solar Technology AG
Maintenance Manual 55SCCPXT-E7-WA-en-37
• Remove the grounding conductor from the inverter.
• Remove the roof and set it down on a suitable surface.
• Clean air intake with a vacuum cleaner
• Place the roof on the inverter.
• Screw the grounding conductor to the inverter (torque: 14.2Nm).
9. Slide the roof into the guide rails on the inverter and pull forward.
10. Press the roof down.
11. Mount the ventilation grids (see Section7.1.3, page64).
6.4.2.5 Cleaning the Interior
DANGER
Danger to life due to electric shock or electric arc if live components are touched
• Switch off the inverter and wait at least 15minutes before opening it to allow the capacitors to discharge
completely.
• Disconnect the inverter (see Section4, page26).
Procedure:
1. Remove dirt and dust from the inverter interior and from all devices.
2. Check the inverter for leaks.
If leaks are present, fix them.
3. Remove moisture.