SMA Solar Technology AG 9 Cleaning and Maintenance
Operating Manual SI80H-BE-BEN120810 51
3. Check whether the fan guard is dusty or heavily soiled.
If the fan guard is dusty, clean the fan guard with a vacuum cleaner or a soft paintbrush.
If the fan guard is heavily soiled, remove the fan guard and clean it:
• Use a screwdriver to press both locking tabs on
the right edge of the fan guard to the right and
remove from the bracket.
• Carefully remove the fan guard.
• Clean the fan guard with a soft brush, a paintbrush, a cloth or compressed air.
4. Check whether the fan is soiled.
If the fan is soiled, remove the fan:
• Use a screwdriver to press both locking tabs on
the right edge of the fan guard to the right and
remove from the bracket.
• Carefully remove the fan guard.
• Push the front locking tabs of the fan backwards
and the rear locking tabs of the fan forwards.
• Remove the fan slowly from the off-grid inverter.
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