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.
©20
10
ACP, Inc.
16023293 Rev. 0
2
0
TAB 1
TAB 2
RLY 3
1
9
3
5 4
8
C 1
N
1
2
Function
Test Set-Up /
Condition
Meter
Setting
Probe Placement
Results
Power to current
transformer
All Conditions
Volts
Tab 1 to CN1 Pin 3 (Neutral)
120 VAC
Power from current
transformer
All Conditions
Volts
Tab 2 to CN1 Pin 3 (Neutral)
120 VAC
Power from Oven TCO All Conditions
Volts
CN1 – Pin 1 (Black wire to Neutral)
120 VAC
Power to Oven Light
Standby.............
Ready................
Cook .................
Volts
Volts
Volts
CN1 – Pin 4 to Pin 1 .............................
CN1 – Pin 4 to Pin 1 .............................
CN1 – Pin 4 to Pin 1 .............................
120 VAC
0 VAC
0 VAC
Power to Blower Motor
Standby.............
Ready................
Cook .................
Volts
Volts
Volts
CN1 – Pin 5 to Pin 1 .............................
CN1 – Pin 5 to Pin 1 .............................
CN1 – Pin 5 to Pin 1 .............................
120 VAC
0 VAC
0 VAC
Secondary Interlock
Switch
Door Closed ......
Door Opened ....
Ohms
Ohms
CN1 – Pin 8 to Pin 9 .............................
CN1 – Pin 8 to Pin 9 .............................
Continuity
Infinite
Power to Relay 3
Standby.............
Ready................
Cook .................
Volts
Volts
Volts
Relay 3 – Pin 1 to Pin 2.........................
Relay 3 – Pin 1 to Pin 2.........................
Relay 3 – Pin 1 to Pin 2.........................
120 VAC
120 VAC
0 VAC