1.5 kW pump with FU90002 2.2 kW inverter

The video shoes an attempt to start 1.5 kW single phase motor, driving submersible pump with FU9000S 2.2. kW inverter. The inverter is supplied from 10 PV panels in one string, 2.6 kW, 8.7A peak current, 330 VDC. The inverter is starting, reaching 112 V at 23Hz and is not going further.