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.
11 Cleaning and Maintenance
SMA Solar Technology AG
Operating Manual
SI30M-44M-60H-80H-BE-en-33
96
Summary of Contents for SUNNY ISLAND 3.0M
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