7-19
(2)CHECKOUT PROCEDURES FOR RELAY.
-PROBLEM (A)-
FAN motor turns on without touching START key
when the door is closed.
-PROBLEM (B)-
FAN motor turns on When the door is closed and
START key is touched.
GOOD
Remove the mate connector of I/O
CON from the circuit board.
Does the unit still operate?
Defective
Wire Assembly
Replace the
circuit board
Replace
Wire Assembly
NO
NO
YES
YES
-PROBLEM (A)--
Oven lamp turns on without touching START key
when the door is closed.
GOOD
Remove the mate connector of I/O
CON from the circuit board.
Does the unit still operate?
Defective
Wire Assembly
Replace the
circuit board
Replace
Wire Assembly
NO
NO
YES
YES
GOOD
Measure the voltage at pin NO.
1,4 of CN1
Voltage reading:120 V AC
Replace the
circuit board
Defective
FAN motor
YES
NO
NO
YES
Replace
FAN motor.
-PROBLEM (B)-
Oven lamp turns on When the door is closed and
START key is touched.
GOOD
Measure the voltage at pin NO.
1,4 of CN1
Voltage reading:120 V AC
Replace the
circuit board
Defective
Oven lamp
YES
NO
NO
YES
Replace
Oven lamp
Содержание LMV1630BB
Страница 7: ...4 1 OPERATING INSTRUCTIONS CONTROL PANEL ...
Страница 9: ...5 1 OVERALL CIRCUIT DIAGRAM SCHEMATIC DIAGRAM ...
Страница 10: ...5 2 MATRIX CIRCUIT FOR TOUCH KEY BOARD KEY MATRIX ...
Страница 34: ...7 23 PROBLEM F No buzzing when touching the key between stages or at end of cooking 1 ...
Страница 35: ...7 24 PROBLEM Ventilation fan does not operate when ON OFF key is touched 1 Check 1 POWER SUPPLY 2 FUSE ...
Страница 40: ...8 5 LATCH BOARD PARTS 43501A WSZ085 43500A 466001 466003 466001 44510A EV ...
Страница 50: ......
