Bests & Worsts Reviews from Amazon

I purchased this for my parents for Christmas as this was something they wanted. Once they finally tried it out after the holidays they couldn't get the oil to heat up over 300 degrees. I went over a few weeks later to give it a try and we made sure everything was connected, knobs were turned to where they needed to be and still could not get the oil to heat up over 300, we pulled out the cooking thermometer to check. We contacted T-fal and after a few calls have been told they need for us to send the item to them to inspect it and after they review it they will let us know if we will be able to get a new one or if they find nothing wrong with it they will return the item back to us. I explained we have not been able to use the item it is still under warranty that something is wrong we need a new one this one is faulty if it is not working the first time we tried it. We are still waiting on the results.