19
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.
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Fuse block / Filter
assembly
Power In terminals ........................................................
Power Out terminals ....................................................
230 VAC
230 VAC
If no power in, check power outlet
If no power out, check fuses
1
2
3
4
5
6
Interlock switch assembly
(Mechanical)
PRIMARY
INTERLOCK SWITCH
MONITOR
INTERLOCK SWITCH
SECONDARY
INTERLOCK SWITCH
Disconnect wires to switch.
With door open measure resistance from:
Monitor – Terminals 3 - 4 ................................
Primary – Terminals 1 - 2 ................................
Secondary – Terminals 5 - 6 ...........................
With door closed measure resistance from:
Monitor – Terminals 3 - 4 ................................
Primary – Terminals 1 - 2 ................................
Secondary – Terminals 5 - 6 ...........................
After verifying or replacing the module,
re-connect wires to switch and check
operation of monitor circuit before
operating the oven.
Indicates continuity
Infinite
Ω
Infinite
Ω
Infinite
Ω
Indicates continuity
Indicates continuity
Relay 1
Relay 2
(CN1)
1
3
4
6
7
(CN3)
Dial Electronic control
1. (CN1 connector) Measure voltage at
BN (1) and BL(3) terminal leads ................
2. (Relay 1) Measure voltage across BL
and WH terminal leads ................................
(CN1) Measure voltage across
BN (3) and WH (4) terminal leads .................
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)
!
WARNING
