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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
Fuse block / Filter
assembly
Interlock switch assembly
(Mechanical)
1
2
3
4
5
6
Electronic control board
Relay 2
Relay 1
August 2013
©2013 ACP Inc.
!
Component
Power In terminals ......................................
Power Out terminals ...................................
Disconnect wires to switch.
With door open measure resistance from:
Monitor – Terminals 3 - 4 ..................
Primary – Terminals 1 - 2 .................
PRIMARY
Secondary – Terminals 5 - 6 .............
INTERLOCK SWITCH
With door closed measure resistance from:
Monitor – Terminals 3 - 4 ..................
MONITOR
Primary – Terminals 1 - 2 .................
INTERLOCK SWITCH
Secondary – Terminals 5 - 6 .............
After verifying or replacing the module,
SECONDARY
INTERLOCK SWITCH
re-connect wires to switch and check
operation of monitor circuit before
operating the oven.
1.
(CN1 connector) Measure voltage at
2.
(Relay 1) Measure voltage across BL
3.
(Relay 2) Measure voltage across BL
and WH terminals leads ....................
WARNING
Testing
BN (1) and BL (3) terminal leads ....
and WH terminals leads .................
3
Results
220 VAC
220 VAC
If no power in, check power outlet
If no power out, check fuses
Indicates continuity
Infinite
Ω
Infinite
Ω
Infinite
Ω
Indicates continuity
Indicates continuity
Approximately 220 VAC
220 VAC OFF position (Door
Closed)
0 volts Cook mode (Door
Closed)
220 VAC OFF position (Fan/Light
Off)
0 volts (Fan/Light) ON
16500053
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