Checking The Fan - SMA SUNNY BOY 3000-US Installation Manual

SMA America, LLC

11.3 Checking the Fan

You can check the fan by configuring a parameter via a communication product or by placing a
jumper on the pin header of the printed circuit board of the inverter. At temperatures below
32°F (0°C), the fan will no longer be controlled and cannot be checked.
Fan test by configuring a parameter
☐ A communication product, data logger, or item of software, which is suitable for the type of
communication used, must be available.
1. Request the installer password from the SMA Service Line (see Section 15 "Contact", page 99).
2. Launch the user interface of the data logger or the software.
3. Enter the installer password.
4. In installer mode, set the parameter "Fan Test" to 1.
5. Check whether air is coming out of the fan guard and whether the fan makes any unusual noise.
If the fan makes an unusual noise or no air is coming out, make sure that the fan is correctly
installed.
If the fan is installed correctly and the problem persists, contact the SMA Service Line.
6. Reset the parameter "Fan Test" to 0.
Fan test by setting the jumpers
Requirement:
☐ Jumpers for fan test must be available.
1. Open the inverter (see Section 9.1).
2. Place the jumpers for the fan test on the printed circuit board. For this purpose, plug jumpers into
the pins on the pin header labeled "200 V" and "150 V" in order to set the jumpers (see Section
7.3 "Jumper Assignments for Grounding Systems", page 53).
3. Close the inverter (see Section 9.2).
4. Commission the inverter (see Section 8).
☑ The fan starts up.
5. Check whether air is coming out of the fan guard and whether the fan makes any unusual noise.
If the fan makes an unusual noise or no air is coming out, make sure that the fan is correctly
installed.
If the fan is installed correctly and the problem persists, contact the SMA Service Line.
Installation Manual
11 Cleaning and Care
SB30-40-US-IA-en-33 81