Unitec POS4000/V2-Wash Select II - Manual (Page 38)

P O S 4 0 0 0
Document Number: POS4007 12
2.4 Installing/Upgrading the EPROM Chip
Warning:
Depending upon the version of software that is currently in the console, this procedure
may delete ALL configuration information, including all codes, fleet accounts, and
accounting information. All setup configurations will be reset to factory defaults. To
properly facilitate reprogramming this information, you should print the following reports
BEFORE proceeding:
• System configuration
• Pricing report
• Fleet accounts
• Accounting reports (those that are used)
•
Message configuration
Perform the following steps to change the POS4000 console software (EPROM):
1. Disconnect all cables to the console
2. Remove the plastic housing. To do this you must remove 2 screws from the rear
and 2 screws from the bottom of the unit.
3. The upper chassis must be partially removed. Remove the middle and front
screws along the side of the metal chassis. Loosen the rear two screws on each
side of the chassis. This will allow the top piece to open up revealing the main
circuit board.
4. Find the EPROM chip, as indicated below:
Document Title: POS4000/V2 WSII Operations Manual