SMA Solar Technology AG Maintenance and Cleaning
Installation Guide SMC9-11TLRP-IEN100640 63
Plugging the Jumper
The inverter recognizes the jumper only after the system has been restarted (i.e. all LEDs must have
gone out before a restart).
1. Open the inverter as described in section 7.2”Opening the Inverter” (page56).
2. Plug the provided jumper in the slot on the system control board as shown below.
3. Close the inverter as described in section 7.3”Closing the Inverter” (page59).
4. Check the fans' air flow.
The inverter sucks air in from underneath and then blows it back out on the upper sides. Listen
for any unusual noise, which could indicate incorrect installation or that the fans are faulty.
5. After checking the fans, remove the jumper. Open and close the inverter as described in section
7”Opening and Closing” (page56).
☑ The test of the fans has been completed.
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