How do I fix a power failure error on the er 4915

kim, October 2012

Try an initial clear (sometimes called initialize). There is a procedure in your book. If you have lost the manual, this one runs through the initialize steps:

http://the-checkout-tech.com/manuals/cashregisters/Samsung_ER-4915_dealer_pocket_programming_guide_manual.html

Registerman, October 2012