Debited my bank account without notification - resulted in honouring fees from my bank

I understand that Edcon had an EFT issue in July whereby when bank cards were swiped for payment, no funds were taken. With that in mind, Edcon debited my bank account twice on the 21/09/2017 for the amounts of R500 and R100, There was no notification of these debits therefore I did not have sufficient funds in my bank account which resulted in my bank charging me R90 +R90 for honourable fees. Then on 29/09/2017 Edcon credited my bank account with the same 2 amounts that they debited on 21/09/2017. Then on 10/10/2017 Edcon debited my account again (without notification) for R500 and R100 which resulted in another R90 honourable fee from my bank. I have now lost R270 in honourable fees due to Edcon's unsanctioned debits on my bank account. I humbly request for them to credit my Edcon account with the amount of R370 which is R270 in fees that I have paid and R100 for the inconvenience