KitchenAid KEBS278SSS - 27" Double Wall Oven Technical Manual page 84

THE FOLLOWING COMPONENTS CAN BE TESTED AT THE CONTROL PANEL:
LOWER OVEN
FRONT/REAR/
COMPONENTS TOP
SERVICEABLE
Door Switch Front
Latch Motor Front
Oven Temperature
Rear
Sensor
Blower Rear
Oven Shutdown
Thermal Cutoff Rear
(non-resettable)
Bake Element Rear
Inner Broil Element Front
Outer Broil Element Front
Convection Ring
Front
Element
Convection Fan
Rear
Motor
Latch Switch Front
Meat Probe Jack Rear
NOTES :
The oven shutdown thermal cutoff (non-resettable) is located
�
at the top of the oven.
It will shut down all elements if the temperature at the top of the
�
oven exceeds component limits.
The upper and lower oven Blower Speed Resistor are
�
connected in parallel.
CHECK
RESULTS
POINTS
Door Open =
P1-2 (BR) to P1-3 Open Circuit
(OR) Door Closed =
Closed Circuit
P9-3 (Y) to Neutral
4800 Ω
(W)
P2-3 (GY) to P2-4 1091 Ω @ 75°F
(GY) (23.9°C)
P9-2 (GY) to Neutral 181 Ω to 240 Ω
(W) 8Ω to 12Ω
Bake (R) and In Broil
(OR) to Red/White
Closed Circuit
Wire at Double Line
Break Relay
T5-3 (R) to In Broil
(OR)
26 Ω to 30 Ω
T5-3 (R) to Double
Line Break Relay
(R/W)
T5-4 (OR) to Bake (R)
T5-4 (OR) to Double
31 Ω to 36 Ω
Line Break Relay
(R/W)
T5-1 (BU) to
Red/White Wire at
53 Ω to 59 Ω
Double Line Break
Relay
T5-2 (Y) to Red/White
Wire at Double Line 33 Ω to 37 Ω
Break Relay
P9-1 (OR/W) to
8 Ω to 12 Ω
Neutral (W)
Door Unlocked =
Open Circuit
P1-1 (T) to P1-2 (BR)
Door Locked =
Closed Circuit
Probe into jack -
check for 78 kΩ
P2-7 (Y) to P2-8 (G)
at room
temperature
FRONT/REAR/
COMPONENTS
SERVICEABLE
Door Switch
Latch Motor
Oven Temperature
Sensor
Blower
Light Power Supply
Oven Shutdown
Thermal Cutoff
(non-resettable)
Bake Element
Inner Broil Element
Outer Broil Element
Convection Ring
Element
Convection Fan
Motor
Latch Switch
Meat Probe Jack
Control Power
Transformer
(XFMR)
Blower Speed
Resistors
6-8
UPPER OVEN
CHECK
TOP
POINTS
P1-5 (BR) to P1-7
Front
(OR)
P8-5 (Y) to Neutral
Front
(W)
Rear P2-1 (V) to P2-2 (V)
P9-2 (GY) to Neutral
Rear 181 Ω to 240 Ω
(W)
Primary Winding
Top
Secondary Winding
Bake (R) and In Broil
(OR) to Red/White
Rear
Wire at Double Line
Break Relay
T3-3 (R) to In Broil
(OR)
Rear
T3-3 (R) to Double
Line Break Relay
(R/W)
T3-4 (OR) to Bake (R)
T3-4 (OR) to Double
Front
Line Break Relay
(R/W)
T3-1 (BU) to
Red/White Wire at
Front
Double Line Break
Relay
T3-2 (Y) to Red/White
Front Wire at Double Line
Break Relay
P8-3 (OR) to Neutral
Rear
(W)
Door Unlocked =
Front P1-4 (T) to P1-5 (BR)
Rear P2-5 (OR) to P2-6 (W)
Primary Winding
Secondary Winding
(Connected on User
Interface Board)
Top
P1-1 to P1-3
P1-4 to P1-5
P1-7 to P1-8
P8-4 (GY) to
Top
P9-2(GY)
RESULTS
Door Open =
Open Circuit
Door Closed =
Closed Circuit
4800 Ω
1091 Ω @ 75°F
(23.9°C)
40 Ω to 45 Ω
Less than 1 Ω
Closed Circuit
26 Ω to 30 Ω
31 Ω to 36 Ω
53 Ω to 59 Ω
33 Ω to 37 Ω
8 Ω to 12 Ω
Open Circuit
Door Locked=
Closed Circuit
Probe into jack -
check for 78 kΩ
at room
temperature
22.9 Ω +/-10%
0.71 Ω +/-10%
0.742 Ω +/-10%
2.37 Ω +/-10%
86 Ω +/-5%