SMA SUNNY ISLAND 3.0M Operating Manual page 96

11 Cleaning and Maintenance
3. Check whether the fan guard is dusty or badly clogged.
If the fan guard is dusty, clean it with a vacuum cleaner or a soft brush.
If the fan guard is heavily soiled, remove it 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. 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.
96 SI30M-44M-60H-80H-BE-en-33
SMA Solar Technology AG
Operating Manual