Gasboy CFN Series Diagnostic Manual - Manual (Page 280)

GASBOY CFN Series
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4 - Display Test: Press the 4 key. All characters on the display should change at the same time,
all hose LED's should change together, and the current and previous sale LED's should turn on
and off at the same time. Press 0 to take the console back to the self-test menu.
5 - Keyboard Test: Press the 5 key. This test will allow you to test each key (except 0) on the
keyboard. Press the key you want to test and the number code of the key should appear on the
display. Press 0 to take the console back to the self-test menu.
6 - Cash Drawer Test: Press the 6 key. The cash drawer should open and the console should
display Drawer open. When you close the drawer, the console should display Drawer closed.
Press 0 to take the console back to the self-test menu.
7 - Console Configuration: Console configuration is explained earlier in this section.
8 - I/O Ports Test: A special connector is required to run this test. If the console is still
connected to the site controller, the RS-422 phone line cable will have to be temporarily removed
from the console. This will allow you to plug special connector into the that jack for the test.
Press the 8 key. The display will indicate the results of the test. Press 0 to take the console back
to the self-test menu.
9 - Printer Test: Press the CLEAR/PRINT key. When this occurs, the console displays *Printer
test*. If the printer is unavailable, the test displays *Can't find prntr*. If the printer is available, it
prints *Printer test*. The test drops back into the main test menu after a few seconds.
VF Driver Test (Independent test)
The VF driver PCB assembly can be tested totally independent of the rest of the console. To
perform this test follow the steps listed at the end of the Console I Diagnostic Tests.