Gates don't operate properly - card disabled!

I use the train every day of the week and walk through the gates with fellow commuters like sardines. You don't have time to check your balance every time you go through the gate, if you swiped and the gate is open you walk through ... correct ??? WRONG, don't do it without checking!!!!<br> It happened to me one morning and I only realised the exit gate did not tag my card when I got on the bus and was then tagged R20. I could do nothing as I was already on the bus and there were no time to go back into the station and swipe IN and OUT again - the sequence of travel was already broken.<br> I loaded my card with R500 the evening prior to the long weekend. When I wanted to use it again, Wednesday the 17th of June, my card was disabled due to ********** use! WHAT !?!?!<br> Tell me what I should have done - or do next time the gate does not tag my card !??!?! It is noisy when a full train of passengers all go through the gates, some gates have alarms others don't.<br> <br> I had to fill out a refund form for which I will be charged an admin fee and I had to buy a new card to enable me to commence my commute from the airport.<br> <br> Fix/enhance your gates and this will not happen!