Touch
“
ST
ART
”
key and
measur
e voltage between
white wir
e lead and black wir
e
lead for primary winding of
H.V
. T
ransfor
mer after removing
the wire leads fr
om ter
minals of
H.V
. T
ransfor
mer
.
STEPSTEPSTEPSTEPSTEP
SEQUENCESEQUENCESEQUENCESEQUENCESEQUENCE
RESULRESULRESULRESULRESUL
TTTTT
Continuity
OK.
Check contact
of Connector
S102.
PROBLEM
3-b
Replace Contr
ol
Cir
cuit Boar
d.
Nor
mal Control
Cir
cuit Boar
d.
AC 120 V
olts.
No
continuity.
Runs
Runs
Check continuity of Connector
S102 between Pins (O and BL)
with the door closed after
removing Connector S102 fr
om
Contr
ol Circuit Board.
(2) PROBLEM
Cooking operation will not
start.
Door Sensing Switch.
Poor
contact.
Contact
OK.
Correct
seating.
Normal
contact.
Adjust or r
eplace
Door Sensing Switch.
(See page 1)
PROBLEM
3-a
Runs
CHECK :
1
.
Power Supply to Oven.
2
.
Primary Interlock Switch.
3
.
Ther
mal Pr
otector for Magnetr
on and
Ther
mal Protector for Cavity.
(3) PROBLEM
Oven does not heat up.
Normal Door
Sensing Switch.
- 8 -
a
a
0 V
olts.
