Component Testing Procedures
!
WARNING
To avoid risk of electrical shock, personal injury, or death, disconnect power to oven and discharge capacitor
before servicing, unless testing requires it.
RS2220001 Rev. 2
19
Illustration
Component
Test
Results
1
2
3
5
4
6
A
B
Relay
3
4
A
B
Remove all wires from relay.
Measure resistance:
A to B (coil)
3 to 4 (contacts)
With 12 VDC across the coil (A to B)
Measure resistance:
3 to 4 (contacts)
Approximately 120
Ω
Infinite
Ω
0
Ω
J2
J1
J4
J6
White
Red
Yel low
Or ang e
J5
J3
1
1
1
1
1
1
High voltage board
J6 connections
1
−
White
2
−
Open
3
−
Red
4
−
Open
5
−
Yellow
6
−
Orange
Connector Plugged-In
J2
Pin 5 (violet) to ground
J2
Pin 6
J2
Pin7 (blue) to ground
J6
Pin 6 (orange) to Pin 1 (white)
J6
Pin 5 (yellow) to Pin 1 (white)
J6
Pin 1 (white) to Pin 3 (red)
−
27 VDC
Ground
+
18 VDC
230 volts
output to blower and
antenna motors when line voltage is
230 V
208 volts
output to auto transformer
for blower and antenna motors when
line voltage is 208 V
Line voltage
1
1
1
J1
J2
J3
J4
J5
1
1
Low voltage board
J3 connector is for
side keypad ribbon.
J4 connector is for
top keypad ribbon.
Connector Plugged-In
J2
Pin 5 (violet) to ground
J2
Pin 6
J2
Pin7 (blue) to ground
J3 connector is for side keypad ribbon.
J4 connector is for top keypad ribbon.
−
27 VDC
Ground
+
18 VDC
Extended memory
board
MC and DQ only
1) Unplug oven for 1 minute.
2) Close oven door.
3) Plug oven in.
This dash must be lit (top segment of
far right digit).
Wire Harness
Test continuity of wires.
Indicates continuity