Sma SB 6000TL‑US Installation User Manual download pdf (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.

• 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).

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Sma SB 6000TL‑US Installation User Manual Page 63