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.
October 2013
16500024
©2013 ACP, Inc.
5
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
208 / 240 VAC
Power from current
transformer
All Conditions
Volts
Tab 2 to CN1 Pin 3
208 / 240 VAC
Power from Oven TCO All Conditions
Volts
CN1 – Pin 1 (Black wire to ground)
208 / 240 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 ..............................
208 / 240 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 ..............................
208 / 240 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 .........................
208 / 240 VAC
208 / 240 VAC
0 VAC
