7-20
(3) CHECKOUT PROCEDURES FOR CIRCUIT
BOARD
The following symptoms indicate a defective circuit
board.
1) The start function fails to operate but the high
voltage Systems, the interlock switches, the door
sensing and the relay check good.
2) The unit with a normal relay continuously operates.
3) Proper temperature measurement is not obtained.
4) The buzzer does not sound or continues to sound.
5) Some segments of one or more digits do not light
up, or they continue to light up, or segments light
when they should not.
6) Wrong figures appear.
7) The figures of all digits.
8) Some of the indicators do no flicker light up.
9) The clock does not keep time properly.
NOTE:
A MICROWAVE ENERGY LEAKAGE TEST MUST ALWAYS BE PERFORMED WHEN THE UNIT IS
SERVICED FOR ANY REASON.
Summary of Contents for MV1611BB
Page 7: ...4 1 OPERATING INSTRUCTIONS CONTROL PANEL 1 2 4 7 10 13 16 3 6 5 8 12 14 17 15 9 11 ...
Page 9: ...5 1 OVERALL CIRCUIT DIAGRAM SCHEMATIC DIAGRAM DIODE 5 PTC RV U ...
Page 10: ...5 2 MATRIX CIRCUIT FOR TOUCH KEY BOARD KEY MATRIX ...
Page 34: ...7 23 PROBLEM F No buzzing when touching the key between stages or at end of cooking 1 ...
Page 37: ...1005 1000 1002 1004 1006 1007 1008 1003 W102 1009 8 2 DOOR PARTS I EV FOR MODEL ...
Page 38: ... 8 4 CONTROLLER PARTS I 2004 2002 2000 MBM2 TECHNICAL CARD 2008 2006 W106 W101 EV FOR MODEL ...
Page 40: ... 8 7 LATCH BOARD PARTS 4001 W102 4000 4002 4003 4002 4004 EV ...
Page 44: ......
