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 power.
June 2014
16500054
©2014 ACP, Inc.
3
Illustration
Component
Test
Results
Transformer
Discharge Capacitor!
Remove all wires from terminals.
Measure resistance from:
230 to COM
………………………………….
208 to COM
………………………………….
230 to Ground
………………………………..
208 to Ground
………………………………..
Terminal 5 to 6
……………………………….
Terminal 7 to 8……………………………….
Terminal 4 to Ground
………………………..
< 2
Ω
< 2
Ω
Infinite
Ω
Infinite
Ω
< 1
Ω
< 1
Ω
Approximately 28
Ω
Interlock switch
Top = Primary 2-3
Middle = Monitor 7-8
Bottom = Secondary 4-5
Disconnect wires to switch.
Door OPEN measure resistance from:
Terminal 2 to 3
Terminal 7 to 8
Terminal 4 to 5
Door CLOSED measure resistance from:
Terminal 2 to 3
Terminal 7 to 8
Terminal 4 to 5
Open - Infinite
Ω
Open - Infinite
Ω
Open - Infinite
Ω
Continuity - 0
Ω
Continuity - 0
Ω
Continuity - 0
Ω
Convection
Blower Motor
Remove all wires from motor.
Measure resistance between:
Orange and Brown terminals ......................
Blue and Brown terminals ...........................
Approximately 22
Ω
Approximately 24
Ω
Heater
2700 watt
Disconnect wires from terminals.
Measure resistance across heater
Approximately 19
Ω
Resistance Thermal
Device (RTD)
Temperature
0° C (32° F) .................................................
24
° C (
75
°
F
)
...............................................
177° C (350° F)............................................
Resistance
1000
Ω
1091
Ω
1654
Ω
Relay Board
(Monitor)
With power applied, disconnect the J2
connector.
With door closed measure resistance from:
Pin 1 to pin 4 on J2
connector………………
With door open measure resistance from:
Pin 1 to pin 4 on J2
connector…..................
Open - Infinite
Ω
Continuity - 0
Ω
