
6-42
Upper harness
61.
Upper harness pinouts
Pin
Wire
Color
Signal
Signal Information
Door Latch
P504-8
WHITE
+12V-3 DOOR LATCH
Latched = 8 V (does not receive full 12VDC to reduce heat).
Unlatched = 0 V
Upper Harness
From I/O card to head blower fan, power on/off switch, left
and right chamber lights, LCD display, door solenoid and door switch
Cable # 102597-0002
I/O Card
Pin
Signal
Door latch
Pin
P504-8
+12V-3 DOOR LATCH
P504
P11
P11-1
P504-20
RTN DOOR LATCH
P11-3
Chamber light right
P504-21
24V LAMP #1 RT
P14
P14-1
P504-9
RTN LAMP#1 RT
P14-4
Chamber light left
P504-22
24V LAMP#2 LF
P16
P16-1
P504-10
RTN LAMP#2 LF
P16-4
Door switch
P504-7
DRSW
P10
P10-1
P504-19
GND
P10-2
On/Off switch
P504-6
ON/OFF SW
SW
T6-NC
P504-18
ON/OFF GND
SW
T5-COM
Head cooling fan
P504-24
24V HEAD COOL FAN
P50
P50-1
P504-12
SWITCHED RTN HEAD FAN
P50-2
LCD display
P504-1
+12V-2
P1-10
P504-13
GND
P1
P1-5
P504-2
RXD1
P1-4
P504-14
TXD1
P1-9
P504-3
RTS1
P1-7
P504-4
CTS1
P1-2
P504-15
CHASSIS GND
P1-6
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