Your Terminal

Clearing ‘mac key’ error

Choose the terminal type relevant to you

If your terminal displays ‘MAC KEY ERROR’, proceed as follows:

  1. Press MENU and when the transaction menu appears, press MENU.
  2. Scroll to SELECT FUNCTION and press ENTER.
  3. Key in 32 and press ENTER.
  4. If prompted, Swipe your Supervisor card.
  5. When the prompt EFT RESET MACKEY? Appears, press ENTER.
  6. Select the merchant service provider you require.
    (Optional check logon)
  7. Press MENU and when the transaction Menu appears, press MENU again
  8. Key in 75 and press ENTER
  9. If prompted, swipe your Supervisor card.
  10. The terminal should print out a receipt stating logon successful or state acquirers that are enabled to take transactions.

If your terminal displays ‘MAC KEY ERROR’, proceed as follows:

  1. Press MENU and when the transaction menu appears, press MENU.
  2. Select SUPERVISOR MENU and press ENTER.
  3. Navigate to HELPDESK MENU and press ENTER.
  4. Navigate to SELECT FUNCTION and press ENTER.
  5. Key in 32 and press ENTER.
  6. If prompted, Swipe your Supervisor card.
  7. When the prompt EFT RESET MACKEY? Appears, press ENTER.
  8. Select the merchant service provider you require.
    (Optional check logon)
  9. Press MENU and when the transaction Menu appears, press MENU again.
  10. Key in 75 and press ENTER
  11. If prompted, swipe your Supervisor card.
  12. The terminal should print out a receipt stating logon successful or state acquirers that are enabled to take transactions.
  1. Press the menu button twice
  2. Select supervisor and then enter supervisor password and press enter
  3. Select password
  4. Select Mac Reset
  5. Select AIB Acquirer
  1. Press the DOWN ARROW (Purple button on the far left of your device).
  2. Select SUPERVISOR.
  3. You will be prompted to enter a password.
  4. Enter 999 999 and press ENTER.
  5. Press the DOWN ARROW again (Purple button on the far left of your device).
  6. Select the option for RESET MAC.
  7. Once complete, press the CANCEL button until you are back to the Home Screen.
  8. Select LOG

A receipt will print off and the terminal should say Logon SUCCESS.

  1. Press the ASTERISK Key (*)
  2. Navigate to ADMINISTRATION and press ENTER
  3. You will be prompted to enter a password.
  4. Key in 40415 and press ENTER.
  5. Select the option for RESET MAC.
  6. Once Complete, press the CANCEL button until you are back to the Home Screen.
  7. Select LOG

A receipt will print off and the terminal should say Logon SUCCESS.

  1. Press the Red cancel button
  2. Enter manager password
  3. Navigate to Reset MAC
  4. Press OK
  5. Press OK
  1. Within the Sale App, select the three lines in the top left corner.
  2. Select Admin
  3. Select Reset MAC key
  4. Enter supervisor Code.
  1. Select F1
  2. Select Function
  3. Key in 76 then press Enter
  4. Enter merchant password
  1. Select Menu
  2. Select Settings
  3. Select Reset CFG
  4. Enter Operator Password
  5. Select Reset MAC
  1. Press the square button
  2. Select Function and key in 76 and press enter
  3. Enter merchant password and press enter
  4. Then select AIB and press enter
  1. Ensure Pyament Application is running
  2. Go to Admin Menu
  3. Select Inject Acquirer Key.
  1. Press the menu button twice
  2. Select supervisor and then enter supervisor password and press enter
  3. Select password
  4. Select Mac Reset
  5. Select AIB Acquirer