My VX520 is displaying "Power Fail Recovery," what do I do?

***ATTENTION: This terminal has reached its end of life cycle by the manufacturer. It is no longer supported for ongoing support. Please contact us about replacing your terminal.***  

This error occurs if the terminal loses power during a transaction. To clear the error, complete the following steps:

1. From the Power Fail Recovery screen, press Enter.
2. Press Enter once more. 
3. Press F1 (Yes).