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Diagnostic's Code 4 - RAM Test
To enter this test, enter diagnostics and press the [4] button on the
keypad and the [ENTER] button.
This test is used to test the system RAM. The CPU performs a RAM
test to determine if RAM is good or corrupted.
If the RAM failure is detected by the RAM test, the displays flash the
message in figure D.7.
If a RAM failure is not detected by the RAM test, the displays flash the
message in figure D.8.
Press the [CANCEL] button to exit this test.
button twice to exit Diagnostics.
Diagnostic's Code 5 - Pump Handle Test
To enter this test, enter diagnostics and press the [5] button on the
keypad and the [ENTER] button.
This test checks the status of the pump handles on the dispenser. The
CPU reads the pump handle switches and writes the status of each
handle to the display.
When all handles are off, the display appears as in figure D.9. When a
handle is turned on, an A, b, C or d appears (see figure D.10).
Turn each pump handle on individually or all at once to test the status.
Press [CANCEL] button to exit this test. Press the [CANCEL] button
twice to exit Diagnostics.
127192 Rev A
Diagnostics
Press the [CANCEL]
41
Error
2
diag
4
Figure D.7
Data
good
diag
4
Figure D.8
handle
diag
5
Figure D.9
Handle
abcd
diag
5
Figure D.10
01-26-15
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