CONTREX M-Traverse - Manual (Page 132)

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EPROM Test #3 - ------To Test Programmable Read Only Memory
To enter this test, press the “Status” key to increment (or the “Tach” key
to decrement) until the number “3” is visible on the right side of the
upper LED display.
Press “Enter” to start the test.
If EPROM is good, then “PP” is visible in the lower LED display.
If EPROM fails, an “EE” is visible in the lower LED display.
Press “Clear ” to remove the “PP” and continue to the next test.
Press “Code Select” only if you want to exit diagnostics.
Display Test #4- To Test Upper and Lower LED Display Panel Segments
To enter this test, press the “Status” key to increment (or the “Tach” key
to decrement) until the number “4” is visible on the right side of the
upper LED display.
Press “Enter” to start the test.
NOTE: The M–Traverse will quickly run through all of the display variations.
Watch each of the display variations carefully for missing segments. For
example, a nine with missing segments could look like a seven. The M–
Traverse will display the following:
Upper LED Display Lower LED Display
0.0.0.0.0.0. 0.0.
1.1. 1.1.1.1. 1.1
2.2.2.2.2.2. 2.2.
3.3.3.3.3.3. 3.3.
4.4.4.4.4.4. 4.4.
5.5.5.5.5.5. 5.5.
6.6.6.6.6.6. 6.6.
7.7.7.7.7.7. 7.7.
8.8.8.8.8.8. 8.8.
9.9.9.9.9.9. 9.9.
–.–.–.–.–.–. –.–.
E.E.E.E.E.E. E.E.
H.H.H.H.H.H. H.H.
L.L.L.L.L.L. L.L.
P.P.P.P.P.P. P.P.