5-14
(2) CHECKOUT PROCEDURES FOR RELAY
- PROBLEM (A) -
FAN motor and oven lamp turn on without touching
START key when the door is closed.
Remove the mate connector of
I/O CON from the circuit board
does the unit still operate?
GOOD
GOOD
Replace the
circuit board
- PROBLEM (B) -
FAN motor and oven lamp turn on When the door is
closed and START key is touched.
Check the interlock switches
Replace the
micro switches.
Defective
RELAY or poor
connection of
relay
Replace
RELAY or
correct the
connection.
NO
Microwave Oven
NO
YES
NO
NO
YES
YES
- PROBLEM (A) -
FAN motor and indicator light turn on without
touching START key when the door is closed.
Remove the mate connector of
I/O CON from the circuit board
does the unit still operate?
GOOD
GOOD
Replace the
circuit board
- PROBLEM (B) -
FAN motor and indicator light turn on When the
door is closed and START key is touched.
Check the interlock switches
Replace the
micro switches.
Defective
RELAY or poor
connection of
relay
Replace
RELAY or
correct the
connection.
NO
Toaster
NO
YES
NO
NO
YES
YES
Summary of Contents for MD-2642KT
Page 34: ...6 3 WTP004 268712 23506A CONTROLLER PARTS ...
Page 35: ...6 4 WTP013 35889A 34370T 36549S 33390G WTT010 WTT021 33052A 33112U OVEN CAVITY PARTS ...
Page 36: ...6 5 WSZ085 56912B 55262A 44510A 43500A 466001 466003 466001 43501A LATCH BOARD PARTS ...
Page 38: ...6 7 56170D 63303A WSZ002 WTT021 WTT028 647781 65006A 63302A WTT021 BASE PLATE PARTS ...
Page 41: ...8 2 MAIN PRINTED CIRCUIT BOARD ...
Page 42: ...8 3 KEY PRINTED CIRCUIT BOARD ...
Page 43: ...P NO 3828W5S3131 April 2003 Printed in Korea ...
