Page 7 of 19
old version for a few seconds while
the red LED on the control board
blinks.
b. Display will change to “EPROM
UPGRADE…” for approximately 10
seconds with the green LED rapidly
blinking.
c. Display will change to new version
software with red LED blinking at a
steady heart beat rate.
3. Manual
Reprogramming (used if EPROM
does not automatically reprogram):
a. At power up, the current software
version will be displayed. To
manually program the control board
with the new software, press the
service switch on the control board
to enter service menus. Advance to
“UPDATE SOFTWARE”. Press the
* Key. Display will show
“Reprogramming Vendor” while the
yellow LED blinks.
b. Display will show new software
revision, then return to stand by.
This confirms new software has
been successfully updated.
Note: to remove the EPROM after
programming, remove power to the vender,
ground yourself on the vender cabinet before
removing the EPROM, remove the EPROM,
while still grounded install a label on the
microprocessor showing the revision of
software that is installed in the controller, power
the vender back on and test for proper operation.
