39
Control Voltages
SENSOR 1084
@72 F RM.
DR. LOCK CO
DR. LOCKED
DR. UNLOCK
RIBBON CONNECTOR
PIN 1
MDL
BROIL
L1A
CONV
COM
CONV
FAN
BAKE
K1
K8K7
OV.
LIGHT
L1
N
GND
K4 K3 K2
Key Panel Test
ELECTRONIC OVEN CONTROL (EOC)
The electronic range control system consists of
the electronic oven control (EOC), key panel, oven
sensor, and door lock assembly. The key panel
(control panel) and EOC are separate compo-
nents but must be tested together.
Depress each pad on the key panel in sequence.
If the key panel is functioning properly, the follow-
ing should occur:
zz
zz
z Bake, Broil, Convection Bake, Convection
Roast, Clean, Timer, Clock, Stop Time, and
Cook Time Modes - Audible tone and display
showing the mode of operation selected.
zz
zz
z Clear/Off - Audible tone and display shows time
of day.
zz
zz
z Probe - Audible tone and response if meat probe
is plugged in.
zz
zz
z Numerical Pads - Audible tone. Can only be
used after another function has been selected.
zz
zz
z Check for 12 VDC on EOC connector P102,
pins 15-18.
zz
zz
z Pins 2, 3, and ground on 15 should have 0 volts
with no keys touched. Pin 1 has 0.8 V. All other
pins have strobing voltages and show unstable,
nonzero voltage when measured with a
voltmeter.
Oven Light Test
If the oven light is not working, make the following
checks:
zz
zz
z Check oven light bulb.
zz
zz
z Light is to come on when door is opened. Check
the voltage across the light socket terminals. It
should read 120 VAC. If it reads 0 volts, check the
jamb switch and wiring.
zz
zz
z Light is to come on when control light pad is
pressed. The K7 relay should click. Check the
voltage at the EOC from OV. LIGHT to L1. It
should read 120 VAC.
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