Hi. Error 99 (or EE-99) usually indicates loss of program. Normally caused by battery going flat (if left unplugged for too long). You need to re-program it. Checkout tech has the programming manual for this model:
How do i change the date and time on Uniwell 5400 cash register?How do i change the date and time on Uniwell 5400 cash register...Click here for the fix.
IE 03 error code solution not working? Uniwell NX5400F?IE 03 error keeps on displaying. does not take any clerk code or id code. keeps on beeping with every punch. no response whatsoever. what now?...Click here for how to mend it.
how to change the the discount pcerntage?I need to know how you cnange the discount percentage from 15 pct to 50 pct on UNIWELL SX6750 03 type.
Please help...Click here for the fix.
How do I clear error - I E-03 ?I have a error - I E-03 on my Uniwell Corp - NX-5400F cash Register and would like to know how do I clear the error?...Click here for how to mend it.
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