46
CHECK METHOD
(2) When touching "START" pad, oven lamp turns on.
Fan motor and turntable rotate and cook indicator in display comes on.
* Cause: RELAY "1" does not operate.
CHECK METHOD
5) When the door is opened during operation, the count down timer does not stop.
CHECK METHOD
R10
RY1
D9
B
Q3
18
IC1
A
B
C2
IC1
16
-5V
R8
R9
D6
SECONDARY
INTERLOCK
SWITCH
CN1
A
POINT
A
STAGE
RELAY "2" ON
–24VDC
RELAY "2" OFF
GND
POINT
A
B
STAGE
RELAY "1" ON
–5VDC
GND
RELAY "1" OFF
GND
GND
POINT
A
B
STAGE
RELAY "1" ON
–5VDC
GND
RELAY "1" OFF
GND
GND
CHECK
METHOD
REMEDY
NO.
1
Check the stage (ON, OFF) of the secondary
Replace secondary
Interlock switch by resistance measurement.
interlock switch
Содержание MFM-6D
Страница 46: ...45 Fig 9 Measurement Point ...
Страница 49: ...48 2 P C B CIRCUIT DIAGRAM MFM 6D ...
Страница 50: ...2 P C B CIRCUIT DIAGRAM MFM 7DTP 49 ...
Страница 52: ...51 4 PRINTED CIRCUIT BOARD ...
Страница 56: ...55 ...