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4 Testing the Fans
4 Testing the Fans
Testing the fans
To test the fans, you will need a SMA communication product (e.g., Sunny WebBox) or a PC
with appropriate software (e.g., Sunny Explorer).
You will also need the installer password to access the installer mode.
1. Recommission the inverter (see inverter installation manual).
2. Access the user interface of the communication product.
3. Enter the installer password.
4. Set the parameter CoolSys.FanTst or Fan Test to On.
5. Check the air flow in both fans.
The inverter takes cooling air in from underneath on the left side and blows it out again through
the ventilation grids at the top. Listen for any unusual noise, which could indicate incorrect
installation or a fault in the fans.
6. After the fan test, set the parameter CoolSys.FanTst or Fan test back to Off.
☑ The fan test is now complete.
5 Disposing of the Fans
• Dispose of the defect fans in accordance with the locally applicable disposal regulations for
electronic waste.
6 Contact
If you have technical problems concerning our products, contact the SMA Service Line. We
We require the following information in order to provide you with the necessary assistance:
• Inverter device type
• Inverter serial number
• Firmware version of the inverter
• Installation location and installation altitude of the inverter
• Three-digit or four-digit event number and display message of the inverter
Country
Company Name
Germany
SMA Solar Technology AG
4
STP8-20TL-Lueft-IA-en-10
Subsidiary
SMA Service Line
Niestetal
Inverters: +49 561 9522-1499
Communication: +49 561 9522-2499
SMA Solar Technology AG
Installation Guide
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