SMA STP 15000TL Installation - Manual (Page 65)

SMA Solar Technology AG Maintenance and Cleaning
Installation Manual STP20TLHE-IA-IEN122222 65
7. Release and remove the plug.
The fan cables are long enough to let you lift the fan
out sufficiently to disconnect the internal plugs in 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 the function of the fans as described in Section 9.2.4 "Checking the Fans" (page 65).
9.2.4 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.
NOTICE!
Damage to the fan through use of compressed air
• Do not use compressed air to clean the fan. This could damage the fan.
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) in order to change the parameters of the
inverter.
You will also need the installer password to access the installer mode.