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Sanyo EM-842WS User Manual

Page 21

background image

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.