We may have found other answers which could help you.
Click here for Cash Register Sam4s Error
Our Sam4S ER5100 has high pitched noise on switch on?
How to program % discount on Sam4s ER-5200?
Register Closed?
My sam4s Er-5200 sequence error will not go off ?
How to fix error code E39 (reg. valid) Sam4s ER-5200m?
VAT rate change?