Simplex 4010 Service Manual

2-15
Table 2-8. LCD Troubles
Trouble Message Possible Causes / Troubleshooting
Missing Card
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.
Wrong Card
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.
LCD Membrane
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.
LCD Display
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.
LCD Troubles
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Simplex 4010 Specifications

General

Display	LCD
Power Supply	120/240 VAC, 50/60 Hz
Manufacturer	Simplex
Model	4010
Battery Backup	24 VDC
NAC Outputs	4
Max Detectors	250
Max Modules	250
Operating Temperature	0°C to 49°C (32°F to 120°F)
Humidity Range	Up to 93% RH, non-condensing