SMA SB 5000-US - Manual (Page 82)

Maintenance SMA America, LLC
82 SB50US-80US-IA-en-37 Installation Manual
Cleaning the Fans
5. Press the front latches backward and the rear latch
forward.
6. Remove the fan by pulling it slowly and carefully downward.
7. Unlock and remove the plug.
The cables of the fans are long enough to disconnect the plug in the inside of the Sunny Boy.
8. Remove the fan.
9. Clean the fan with a soft brush, a paintbrush, or a cloth.
10. After cleaning, mount the fans and the ventilation grids in reverse order.
11. Check the function of the fans as described in section "Fan Test" on page 84.