Johnson Lifts — frequent breakdown

Address:

122017

I have purchase new lift from you and with in 6 months from purchase today i was stuck in the lift and this was happened fourth time in twenty days. Your engineers are not competent for this job please send some knowledgeable person for solve this problem.
Problem is when i enter in lift door will close but if i want to open from inside it will not open, second problem all electric supply of lift gone although there is a electric power in my home.
Third lift will stop at third floor and after that if i call it on groung or any other floor it will not work