Unhappy Solar System Customer

I had a lux power 5kw inverter installed by Graaf & Kie. I live in Richards bay where we have a very high humidity almost daily. 14 Months after installation the unit started acting up and then eventually just died. The Installer came to collect the unit and took it for repairs. After some research I found that the model that was installed is not suitable for coastal areas and my installer claims that he was never informed of this. (clearly the installer does not know his product) The room where the inverter was installed has multiple electricity plug points, electrical devices and DB board and in 20 years I have had no issues with damp, water etc. The repaired device went active on 25 April 2024. At startup there was fan issues. My battery also is not charging properly. The installer then took the inverter and battery to the technician to resolve and brought it back a day or 2 later.

This issue has not been resolved and it doesn't look like I am any close to a solution for this. The installer is also dragging his feet in getting this fixed and is full of excuses as to why the inverter is not working properly. Will I buy another Lux Power again - definitely NOT. Will I make use of the same installer in Richards Bay - definitely NOT.

The supplier also just ignores the fact that he insisted on installing the model he had and does not take responsibility for the fact that he does not know his product.

When the device came back from repair the supplier could simply not get the configuration right (trying for over 12 weeks) which means he either is not competant or the device is not working properly. Currently I am sitting with a system that does not charge my baterry using solar power. It only charges using Escom. I was then threatened and *********ed that if I do not pay his account , he will switch off my inverter. I have asked him to come to my house to sort this out but he point blank refuse. I have also as a sign of good faith paid his labour on this job. I can back this up with recorded telephone conversations as well as whatsapp chats. He still expects me to pay repair cost for a faulty device. He is even now threating me with letters from attorneys.