SMA SB 6000TL‑US Installation - Manual (Page 63)

SMA America, LLC 9 Maintenance
Installation Manual SB6-11TL-US-IA-en-13 63
9.4 Checking the Fans
You can check the operation of the fans in 2 ways:
• Set the "Fan Test" parameter to "1" in the installer mode. To do this, use a communication
interface.
or
• Set the jumpers on the system control board. The jumpers for testing the fans are included in the
scope of delivery of the Sunny Boy.
Setting Parameters
1. Request the installer password from the SMA Service Line. See "Contact" on page 90.
2. Set the "Fan Test" parameter to "1" in the installer mode.
3. Check the air flow of the fans.
– The Sunny Boy draws in cold air from below through the fans and blows it out again through
the handle covers.
– Pay attention to unusual sounds.
4. After checking the fans, set the parameter "Fan Test" back to "0".
In the event of frost, the fan cannot be inspected
The fans are not activated under 32°F (0°C).