DAEWOO ELECTRONICS KOR-616T0A, Service Manual, Page: 38 / 57

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• Disconnect the oven from the power supply.
• You can test continuity of safety interlocks and monitor switch by using switch tester or ohmmeter.
• The switch operation is checked by the lamp on/off of resistance zero/unlimited.
• The sequence of check is interlock monitor switch; primary and secondary interlock switches check.
• Make circuits like Fig. a, Fig. b, for tests.
SAFETY INTERLOCK CONTINUITY TEST
1) In case of interlock monitor switch check.
Condition:
1) Door is opened.
2) Common terminal of the monitor
switch disconnected.
POWER
SUPPLY
CORD
INTERLOCK
MONITOR
SWITCH
PRIMARY
INTERLOCK SWITHC
OHMMETER
2) In case of primary interlock switch check.
Condition:
1) Door is closed.
POWER
SUPPLY
CORD
INTERLOCK
MONITOR
SWITCH
PRIMARY
INTERLOCK SWITHC
OHMMETER
- Fig. a -
- Fig. b -