Pre-authorisation is when the bank places a hold on a predetermined amount of money on your credit card. This is to make sure you have the funds available to pay for the fuel you are about to dispense. See technical doc CTB1063 Pre-authorisation Explained for further details.

Commonly asked questions about Compac’s products and services. What is pre-authorisation and why is it required on an OPT? What is CompacOnline? What does Compac's Tech Support do and offer? What hours does Tech Support operate in Australia? Can I get after-hours support? What is the difference between a pump and a dispenser? How does a Credit Card DCA work? Why are credit cards not always accepted? Can you please explain the acronyms Compac uses? Who is Windcave? What are Windcave's charges and overages on my credit card DCA? Why does my SIM Card need to be with Telstra? Why does it have to be Extranet enabled? What are the differences between a DCA, Credit Card DCA and an OPT? Where can I find equipment footing dimensions/diagrams? What to do when you receive “site offline” notification from CompacOnline or your site appears to be “Offline” on your CompacOnline website? My pumps are showing offline or pump in use. What do I do? Why is my OPT not issuing receipt when it is saying “Printing”? Why is my OPT displaying “Receipt Unavailable”? My OPT is saying “Insert Card” and is not responding when I swipe my card. Why is my customer’s bank card being declined at my OPT? 1. What is pre-authorisation and why is it required on an OPT? Pre-authorisation is when the bank places a hold on a predetermined amount of money on your credit card. This is to make sure you have the funds available to pay for the fuel you are about to dispense. See technical doc CTB1063 Pre-authorisation Explained for further details. Back to top 2. What is CompacOnline? CompacOnline (COL) is a Compac developed FMS (Fuel Management System). Using your web browser you are able to connect to your site from a remote location. In the same way, you would view a personal bank account, you can login to the website and view all your site data, any time of day or night. You are able to view up to the minute data such as transactions and tank levels, change pricing and print reports. COL is 100% secure and meets current industry standards for security.

Compac’s Tech Support provides after sales support and advice to approved installers and maintenance technicians. Tech Support can be consulted on possible causes and solutions that may occur with Compac equipment, including the use of CompacOnline. The advice given is based on information Tech Support have at the time of the call, and any information that can be gathered from the equipment in the field (if accessible remotely). The advice that is supplied by Compac is for guidance only, and support personal are to treat it as such.