Pay back

My sister deposited R10000 into ATM Savanna mall polokwane on the 18 January, immediately after inserted money the ATM was out of service, she went inside to log a incident. Only 8900 was credited into my account the following day. I have been querying it since January even today I have not received a report or reply on where is the rest of my money. I have spend over 500 calling Capitec but I was send from pillar to post. *** is liked to my account. Was it her fault that your ATMs were faulty so must I just accept what you have credited me? I want my money. I need it.