Pin 1
Output, TX transmit
from EOC4
N/A
Ribbon cable
Pin 2
Ground
Circuit ground
Ribbon cable
Pin 3
Input, RX receive
from EOC4
N/A
Ribbon cable
Pin 4
Ground
Circuit Ground
Ribbon cable
Pin 5
Ground
Circuit Ground
Ribbon cable
Pin 6
Input
Zero cross input
Ribbon cable
Pin 7
+25vdc
+25vdc input to EOC4 board
Ribbon cable
Pin 8
+25vdc
+25vdc input to EOC4 board
Ribbon cable
Pin 9
+6.8vdc
+6.8vdc input to EOC4 board
Ribbon cable
Pin 10
+6.8vdc
+6.8vdc input to EOC4 board
Ribbon cable
P14 Temperature select, Cycle select, RTD
Pin 1
+5vdc output
to selector and
thermostat
Plug P14 Pin-1 to chassis ground, +5vdc
Blu
Pin 2
Input from
thermostat pot.
Plug P14 Pin-2 to chassis ground, see
thermostat chart for voltage values
Org
Pin 3
Ground
Circuit ground for selector and thermostat
potentiometers
Yellow (grnd)
Pin 4
Input
RTD input 1
Grey
Pin 5
Input
RTD input 2
Violet
Pin 6
Input from
cycle selector
potentiometer
Plug P14 Pin-6 to chassis ground, see
selector chart for voltage values
Black
(UPPER OVEN) P15 Door Switch, Light switch, inputs
Pin 1
Tied to Pin 3
25 VAC square wave (door unlocked) input to
board
Brn
Pin 2
Not used
Pin 3
Common for door
and light switches
25 VAC square wave
Brn
Pin 4
Light switch input
25 VAC square wave when light switch is on
Vio / Wht
Pin 5
Door switch input
25 VAC square wave when door open
Gry / Blk
(LOWER OVEN) P15 Door Switch, Light switch, Door lock inputs
Pin 1
Door lock input #1
Locked state: DL#2 has 25VAC square wave
signal and DL#1 has 0 Volts
Unlocked state: DL#2 has 0 volts and DL#1
has 25VAC square wave
Blu / Wht
Pin 2
Door lock input #2
Orange
Pin 3
Common for door
lock, door and light
switches
25 VAC square wave
Brn
Pin 4
Not used
Troubleshooting
17
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