7-18
(2) CHECKOUT PROCEDURES FOR RELAY.
- PROBLEM (A) -
FAN motor turns 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
Replace the
circuit board
Replace
Wire Assembly
- PROBLEM (B) -
FAN motor turns on When the door is closed and
START key is touched.
Measure the voltage at pin NO.
1, 5 of CN1
Voltage reading: 120 V AC
Replace the
circuit board
Defective
FAN motor
Defective
Wire Assembly
Replace
FAN motor.
NO
NO
YES
YES
NO
NO
YES
YES
GOOD
- PROBLEM (A) -
Oven lamp turns 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
Replace the
circuit board
Replace
Wire Assembly
- PROBLEM (B) -
Oven lamp turns on When the door is closed and
START key is touched.
Measure the voltage at pin NO.
1, 4 of CN1
Voltage reading: 120 V AC
Replace the
circuit board
Defective
Oven lamp
Defective
Wire Assembly
Replace
Oven lamp
NO
NO
YES
YES
NO
NO
YES
YES
GOOD
Содержание 721.63663
Страница 9: ...5 1 SCHEMATIC DIAGRAM OVERALL CIRCUIT DIAGRAM ...
Страница 10: ...5 2 MATRIX CIRCUIT FOR TOUCH KEY BOARD ...
Страница 37: ...8 2 CONTROLLER PARTS I 1001 W106 W106 2016 2009 2007 2017 EV ...
Страница 38: ...8 3 CONTROLLER PARTS II 2004 2008 2002 2006 W106 2381 FOR 63663 ONLY EV ...
Страница 40: ...8 5 LATCHBOARDPARTS 4000 W111 4001 4002 4003 4002 4004 EV ...
Страница 43: ...8 8 INSTALLATION PARTS 6008 6009 6011 6010 EV ...
Страница 44: ...P NO 3828W5S2630 Printed in Korea ...