C–4
C–4
C–4
C–4
C–4
N-1000-III/IV
Appendix C: Troubleshooting
Appendix C: Troubleshooting
Appendix C: Troubleshooting
Appendix C: Troubleshooting
Appendix C: Troubleshooting
4. The POWER STATUS LED (and also the latch-IC U17 pin 15 output) follows
the state of the microprocessor’s Primary-Power-Status input (with JP6 in
1&2 and the Ext. P.-Status input (TB9-11) closed or with JP6 in 2&3 =
LED On).
5. The Reader #1 LED output (TB5-1) and the AEP-3 STROBE (J1-1) line
follows the state of the micro’s Low-V input (LOW-V LED On = Reader LED
output Low and J1-1 High /open). The Low-V signal can be activated by
moving jumper JP9 to location JP10 and then cycle the power source off and
then back on. Restore JP9 to change the state. Shorting out the battery
terminals (TB9-2 to TB9-3) will also generate a Low-V signal.
6. The Reader 2 LED output (TB5-8) and the AEP-3 CLOCK (J1-3) line follows
the state of the micro’s GFAULT input (GF-LED On = Reader LED output
Low and J1-3 High /open).
7. The microprocessor’s output port B follows the input port A as follows;
7.1. PB0 (Input Mux-A line at U32-10) follows the state of input port PA0
(TB8-1).
7.2. PB1 (Input Mux-B line at U32-9) follows input port PA1 (TB8-2)
(Closed = High).
7.3. PB2 (LED#3 TB5-10) follows the state of input port PA2 (TB8-3).
(Closed = Low).
7.4. PB3 (LED 4 TB5-11) follows the state of input port PA4 (TB8-5).
(Closed = Low).
7.5. PB4 (Keypad 1 Select TB8-10) follows the state of input port PA5 (TB8-6).
7.6. PB5 (Keypad 2 Select TB8-11) follows the state of input port PA6 (TB8-7).
7.7. PB6 is the Tamper Switch input and is not tested in this section.
7.8. PB7 (AEP-3 Data J1-2) follows the state of input port PA7 (TB8-8).
(Closed= Low)
8. Relay Outputs (continuously after the initial reset sequencing):
8.1. With the TAMPER Switch input circuit OPEN (Tamper Switch not
depressed) and the /Primary-Power-Status input LOW (JP6 open) the
relay outputs 1 through 8 will follow the settings of the S1 dip-switch
positions 1 through 8.
8.2. With the TAMPER Switch input circuit OPEN (Tamper Switch not
depressed) and the /Primary-Power-Status input HIGH (JP6 jumper 2&3)
the relay outputs 1 through 8 will follow the state of the Keypad Inputs in
reverse order (TB8-1 = Relay 8). When the Keypad input terminals are
connected to common the respective Relays will turn ON with the exception
that grounding P3-10 is required to turn ON Relay 5. If the Four Reader
Board is connected then Relay 5 will oscillate on and off.