If you can get a second opinion from someone who knows about furniture ,then connsider court if possible! The very threat of legal action might just turn it in your favour! Is there such thing as a furniture ombudsman? It's a curious turn of phrase in any event.
Avoid the 3000 series as they won't take a load,meaning when in operation it will slow down when grinding etc due to the motor! The 4000 series,I think overcome this problem,as when loads applied the motor maintains it's speed and power!
Avoid the 3000 series as they won't take a load,meaning...