I just paid for a new one, same exact module, it works 100%.
So I have conclusively pointed to module itself.
I post as many preppers might not even know that what worked off-grid last year, is secretly and hiddenly failed you.
https://www.eltwin.com/hyper/products/soft-starter-hyper-single
This is faulty design.
SS1B16-32SN (230V, 60/50Hz, 16-32 FLA)