Error Code 556
Error Code 556: SYSTEM TIME-OUT
1. Verify operation of the power supply. Make sure all DC output voltages are within the specifications.
2. Power down the ATM in the proper sequence. From the Main Menu screen, select System Parameters (5) followed by Shut Down the Terminal (4). When the indication that it is safe to turn off the terminal is displayed on the screen push the Power ON/OFF switch to the OFF position. After about ten seconds, push the Power ON/OFF switch to the ON position to start the terminal.
3. If the error persists, replace the main board assembly.
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