SMA STP 8000TL-10 - Manual (Page 71)

SMA Solar Technology AG 10 Maintenance and Cleaning
Installation Manual STP8-17TL-IA-en-31 71
7. Release and remove the plug.
The fan cables are long enough to let you lift the fan
out sufficiently to disconnect the plugs inside the
inverter.
8. Remove the fan and clean it with a soft brush, a
paint brush or a cloth and water.
9. After cleaning, reassemble everything in reverse order.
10. Check that the fans are functional (see Section 10.2.4 "Checking the Fans", page 71).
10.2.4 Checking the Fans
1. Enter the installer password.
2. Set the parameters "CoolSys.FanTst" or "Fan test" to "On" in the installer mode.
3. 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.
4. After the test, set the parameter "CoolSys.FanTst" or "Fan test" back to the "Off" position.
☑ The fan test is now complete.
Damage to the fan through use of compressed air
• Do not use compressed air to clean the fan. This could damage it.
Checking the fans
To test the fans you will need a special data capture device (e.g., Sunny WebBox) or a PC with
appropriate software (e.g., Sunny Explorer) so that you can change the parameters of the
inverter.
You will also need the installer password to access the installer mode.