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Component Testing Procedures
To avoid risk of electrical shock, personal injury or death, disconnect power to oven and discharge capacitor
before servicing, unless testing requires power.
Illustration
Secondary
Interlock
Switch
Monitor
Interlock
Switch
Primary
Interlock
Switch
Wire Harness
Service Mode
To Check Magnetron Hours or Door Cycles:
1) Open door and Press/Hold Pad #3 for 5 seconds or until "SErV" is Displayed
2) Press Pad #1 to display Magnetron Hours in 100's.
3) Press Pad #3 to display Door Cycles in 100's
July 2019
©2019 ACP, Inc.
Component
Transformer
Discharge Capacitors
Remove all wires from terminals.
Measure resistance from:
Terminal 1 to Terminal 2..................................
Wire 5 to Wire 6 ...............................................
Terminal 4 to Ground screw on transformer...
Terminal 4 to any other terminal ......................
HV Fuse
Resistance
(Terminal 4)
Interlock switch
assembly
With door open measure resistance from:
Terminal C to NO
Terminal C to NC
Terminal C to NO
With door closed measure resistance from:
Terminal C to NO
Terminal C to NC
Terminal C to NO
Disconnect wires to switch.
Test
Secondary......................
Monitor ...........................
Primary / Logic...............
Secondary......................
Monitor ...........................
Primary / Logic...............
3
Results
2.0 Ω.
Less than 1 Ω.
127Ω.
Infinite resistance
Continuity
Rated 700ma 5KV
Infinite
Continuity
Infinite
Continuity
Infinite
Continuity
Continuity.
16500066
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