SMA SUNNY ISLAND 4.4M Operating Manual page 135

SMA Solar Technology AG
• 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. Check whether the fan is soiled.
If the fan is soiled, remove the fan:
• 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.
• Push the front locking tabs of the fan backwards and the
rear locking tabs of the fan forwards.
• Slowly remove the fan from the Sunny Island.
• Release and remove the fan plug.
Operating Manual
14 Cleaning and Maintenance
SI44M-80H-12-BE-en-10 135