GE WSM2780R Technician Manual page 48

27 inch laundry center. spacemaker washer/dryer
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DRYER E L E C T R I C A L COMPONENTS T E S T AND
REPAIR
PUSH TO START DOOR SWITCH:
The p u s h t o s t a r t d o o r s w i t c h i s a
s i n g l e p o l e , s i n g l e t h r o w n o r m a l l y
open s w i t c h mounted i n t h e c o n t r o l
p a n e l .
The u s e r m o m e n t a r i l y p r e s s e s
t h e s w i t c h b u t t o n t o a c t u a t e t h e
d r y e r d r i v e m o t o r .
T h e d o o r s w i t c h i s a s i n g l e p o l e
s i n g l e t h r o w n o r m a l l y open s w i t c h
m o u n t e d i n t h e d r y e r f r o n t p a n e l .
I t i t i s a c t u a t e d by t h e d r y e r d o o r .
B o t h s w i t c h e s a r e n o r m a l l y o p e n .
They a r e i n s e r i e s w i t h each o t h e r ,
and a r e c o n n e c t e d i n t h e h o t s i d e o f
t h e l i n e b e t w e e n t h e t i m e r and t h e
d r i v e m o t o r .
o p e r a t e u n t i l t h e d r y e r d o o r i s
c l o s e d a n d t h e s t a r t s w i t c h i s
m e m e n t a r i 1 y d e p r e s s e d ( c l o s e d ) b y
t h e u s e r .
The push t o s t a r t s w i t c h
i s a l s o i n p a r a l l e l w i t h t h e
c e n t r i f u g a l s t a r t s w i t c h i n t h e
m o t o r .
When t h e m o t o r i s u p t o
s p e e d ,
t h e c e n t r i f u g a l
m a i n t a i n s t h e c i r c u i t m o m e n t a r i l y
e s t a b l i s h e d b y d e p r e s s i n g t h e p u s h
t o s t a r t s w i t c h .
PUSH TO START TESTING
A.
R e m o v e d r y e r f r o n t s e r v i c e
p a n e l .
Remove f o u r screws s e c u r i n g t h e
c o n s o l e and c o n t r o l s a s s e b l y t o
s i d e p a n e l .
C.
D i s c o n n e c t e l e c t r i c a l w i r i n g
c o n n e c t o r b l o c k s .
D.
L a y c o n s o l e a n d c o n t r o l s
assembly on a p r o t e c t e d s u r f a c e .
Remove w i r e s f r o m push t o s t a r t
s w i t c h a n d c o n n e c t o h m m e t e r
a c r o s s t e r m i n a l s .
P r e s s b u t t o n , ohmmeter s h o u l d
show c o n t i n u i t y .
I f n o c o n t i n u i t y , r e p l a c e push
t o s t a r t s w i t c h .
N e i t h e r m o t o r w i l l
s w i t c h
GEAS 061203

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