GG asked ... Fix food processor motor?    |    T asked ... How do I turn the delay off on Electrolux DX302 dishwasher?    |    Helen asked ... How can I mend my Kenwood Gourmet FP505?    |    Roy Turner asked ... Kohlangaz Gosford HE fire?    |    Peter asked ... How can I mend a Powerwasher PRO PRO1800PWE?    |    Click here to ask your question

How do I clear a WARNING 'time error' on er-390m register?

I press any key on my register and it beeps with a warning message 'time error' It was unplugged for about 2 months
Sams4 er 390m
Rosa, September 2016