Lcd Troubles - Simplex 4010 Service Manual

LCD Troubles

Trouble Message
Missing Card
Wrong Card
LCD Membrane
LCD Display
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Table 2-8. LCD Troubles
Possible Causes / Troubleshooting
Indicates that the LCD card is not communicating with the master.
•
Ensure that no other N2 cards (24 Point I/O, RS-232, SDACT,
or 4120 Network) have a card address within the range of 9-14.
If the LCD card is addressed within this range, replace the
SFIO card.
•
Check the N2 harness. Make sure that all wires are attached to
the correct terminals and all connectors are secure.
Indicates that the card within this address range is some type other
than a 24 point I/O card.
•
Ensure that no other N2 cards (24 Point I/O, RS-232, SDACT,
or 4120 Network) have a card address of within the range 9-14.
If the LCD is addressed within this range, replace the SFIO
card.
This trouble indicates that there is a problem with the keypad on the
LCD card. Reseat the LCD connectors and see if the problem
clears. If the problem does not clear, replace the SFIO board.
This trouble indicates that there is a problem with the display on the
LCD card. Reseat the LCD connectors and see if the problem
clears. If the problem does not clear, replace the SFIO board.
2-15