From hannahEder | Oct 21, 2021 | FAQs, Troubleshooting
The inverters are each connected to the following pins: 1 (RS485A +) and 3 (RS485B -) to 2 (RS485A +) and 4 (RS485A -) Please note that starting from the master inverter, always wire from pins 1 and 3 to 2 and 4. Please note...
from [email protected] | Sep 27, 2021 | FAQs, Troubleshooting
Step 1: Check the direction of the folding current transformers. The arrow must point from the mains towards the consumer. Step 2: Check the phase assignment of the Smart PowerSensor. The voltage tap and the current measurement by the folding transformers must...
From hannahEder | Sep 27, 2021 | FAQs, Troubleshooting
The Luna must first be recognised in the quick settings of the slave. Then the cascaded inverter is...
From hannahEder | Sep 27, 2021 | Troubleshooting, FAQs
The optimiser search must first be carried out in the quick settings of the slave inverter. Then, during quick commissioning, the cascaded slave inverter is...
From hannahEder | Sep 27, 2021 | FAQs, Troubleshooting
Please ensure that the polarity of the strings is not reversed. To determine the correct polarity of optimised strings, a resistance or impedance measurement must be carried out. For this purpose, the resistance must be measured in both directions....
From hannahEder | Sep 27, 2021 | FAQs, Troubleshooting
Either there is a problem with your string in the form of improperly connected PV connectors or the inverter needs an MBUS update. The MBUS update can be installed in the FusionSolar commissioning app under: Maintenance Devices...