Refused to help change my debit order.

my company has deferred my paid till the 1st of every month. I called on the 10th, no answer. I have sent multiple emails to customer care from the 11th of June. I get the useless reply saying the will respond in 5 days. I had an order where the device was broken, customer care called me. I dealt with it (also poor customer care on the return and refund) and I told them to change my debit oreder. Was told its fine they will. No email confirmation, called everyday last week, no answer. Now the debit has come off and I've had to use my credit card to pay for it. How can a company like this whom know how times are refuse to help me? If its not changed next month I block all debits from makro. Useless service