Burford 2000 - Diagnostic Leds, ContD

110 Chapter 7
 Diagnostic LED's, cont’d
L.E.D.
Description
FTB - D14:
NEEDLE HOME
Indicates when the needle triggers the needle home proximity
sensor.
FTB - D15:
BAGGER
ENABLE RELAY
Indicates when the bagger enable relay, CR4 on the FTB, is
energized.
FTB - D16:
RIBBON DROP
Indicates when the dancer arm triggers the ribbon drop proximity
sensor.
FTB - D18/BCD 8,
D20/BCD 4,
D22/BCD 2, and
D23/BCD 1:
Indicates the signals coming from the belt speed push wheel
switch. The following table shows how the LED's should respond
to each setting.
SETTING
BCD 8
BCD 4
BCD 2
BCD 1
0
OFF
OFF
OFF
OFF
1
OFF
OFF
OFF
ON
2
OFF
OFF
ON
OFF
3
OFF
OFF
ON
ON
4
OFF
ON
OFF
OFF
5
OFF
ON
OFF
ON
6
OFF
ON
ON
OFF
7
OFF
ON
ON
ON
8
ON
OFF
OFF
OFF
9
ON
OFF
OFF
ON
10
ON
OFF
ON
OFF
11
ON
OFF
ON
ON
12
ON
ON
OFF
OFF
13
ON
ON
OFF
ON
14
ON
ON
ON
OFF
15
ON
ON
ON
ON
FTB - D19:
SERVO ENABLED
RELAY
Indicates when the servos enabled relay, CR2 on the FTB, is
energized. Also, implies that CR1 on the main panel should be
energized and there should be power to the servo motors.
FTB - D24, D27:
CPU 2 and CPU1
Indicates CPU activity.
FTB - D25: HORN
RELAY
Indicates when the horn relay, CR5 on the FTB, is energized.
FTB - D28:
BRUSH/BELT
RELAY
Indicates when the brush/belt relay, CR3 on the FTB, is
energized.
FTB - D29, D31:
PCS1 and PCS0
Indicates CPU activity.