8) When there is no convection motor.
When touching pad, oven lamp turns on.
Fan motor and turntable and cook indicator in display comes on.
* Cause : RELAY “3” does not operate.
CHECK METHOD
57
9) When the digital clock does not operate properly.
If clock does not keep exact time, you must check. Diode D6, transistor Q2.
POINT WAVEFORM
A
B
C
T: 20ms (60 Hz)
CN4
1
2
3
4
5
A
C14
C11
R13
R16
Q2
C
MICOM
R1
34
+5V
R28
B
D6
+5V
0V
T
A
MICOM
28
R29
Q9
B
D10
R42
+ 15V+ 15V
RELAY "3"
RY3
POINT
AB
STAGE
RELAY "3" ON £«5VDC GND
RELAY "3" OFF GND £«15VDC