SMA 20000TL Service Manual - Manual (Page 22)

6 Cleaning the Fans
6.1 Cleaning the Fan at the Bottom
First clean the fan at the bottom of the inverter and then clean the fan on the left-hand side of the
enclosure.
Procedure:
1.
Danger to life due to electric shock
• Disconnect the inverter from all voltage sources (see Section 2.2 "Disconnecting the
Inverter from Voltage Sources", page 7).
2. Wait for the fan to stop rotating.
3. Remove the fan guard and clean it:
• Use a screwdriver to push the two locking
tabs at the right-hand edge of the fan guard
to the right-hand side and remove them
from the retainer.
• Carefully remove the fan guard.
• Clean the fan guard with a soft brush, a paint brush, a cloth or compressed air.
4. Press the locking tabs on the fan toward the
center of the fan.
5. Carefully remove the fan from the inverter.
6. Release and remove the fan plug.
6 Cleaning the Fans SMA Solar Technology AG
Service Manual for Installers STP20-25TL-SG-en-11 22