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.
October 2013
©2013 ACP, Inc.
16500048
3
Illustration
Component
Test
Results
Terminal 1
−
220 V
Terminal 2
−
Common
Transformer
Discharge Capacitors
Remove all wires from terminals.
Measure resistance from:
Terminal 1 to Terminal 2 ..................................
Terminal 1 to Wire 3 ........................................
Wire 3 to Wire 5 ..............................................
Terminal 4 to Ground screw on transformer ...
Terminal 4 to any other terminal ......................
2.0
Ω
.
Infinite.
Less than 1
Ω
.
160-170
Ω
.
Infinite resistance. If not,
replace transformer.
Secondary
Interlock
Switch
Primary
Interlock
Switch
Monitor
Interlock
Switch
Interlock switch
assembly
Disconnect wires to switch.
With door open measure resistance from:
Terminal C to NC Monitor ...........................
Terminal C to NO Primary / Logic ...............
Terminal C to NO Secondary ......................
With door closed measure resistance from:
Terminal C to NC Monitor ...........................
Terminal C to NO Primary / Logic ...............
Terminal C to NO Secondary ......................
Door Closed
Primary / Logic C
NC
NO
C
C
NO
Secondary
Monitor
Continuity.
Infinite.
Infinite.
Infinite.
Continuity.
Continuity.
Wire Harness
Test continuity of wires ....................................
Continuity.
