Hi I have a complaint about hi corp i bought a bennet reads machine then it have a defect and then i took it back to the store because it was having a 2years warranty then they promised me to credit me but now they refuse to credit me back they keep on sa

Hi I have a complaint about hi corp i bought a bennet reads machine then it have a defect and then i took it back to the store because it was having a 2years warranty then they promised me to credit me but now they refuse to credit me back they keep on saying i’m fill form and it almost a month doing the same things. Here the order no:#*** and the REF no:***