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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
November 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
re-connect wires to switch and check
INTERLOCK SWITCH
operation of monitor circuit before
operating the oven.
1.
CN1 connector) Measure voltage at
2.
(Relay 1) Measure voltage across BL
3.
W ARNING
Testing
BN (1) and BL(3) terminal leads .....
and WH terminal leads ...................
(CN1) Measure voltage across
BN (3) and WH (4) terminal leads ...
3
Results
230 VAC
230 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 230-240 VAC
230-240 VAC OFF position (Door
Closed)
0 volts Cook mode (Door
Closed)
230-240 VAC OFF position
(Fan/Light Off)
0 volts (Fan/Light ON)
16500043
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