Maytag MFI2266AES Service Manual page 26

Troubleshooting Chart
To avoid risk of electrical shock, personal injury, or death, disconnect electrical power source to unit, unless test
procedures require power to be connected. Discharge capacitor through a resistor before attempting to service.
Ensure all ground wires are connected before certifying unit as repaired and/or operational.
S ym p to m
F ro s t o r ic e o n e v a p o ra to r
U n it s ta rts a n d s to p s fre q u e n tly
(c yc le s o n a n d o ff)
N o In te rio r lig h ts , a n d a p p lia n c e is
s till ru n n in g .
26
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WARNING
P o s s ib le C a u s e s
D e fro s t th e rm o s ta t fa u lty
E v a p o ra to r fa n fa u lty
D e fro s t h e a te r re m a in s o p e n
D e fro s t c o n tro l fa u lty
O p e n w ire o r c o n n e c to r
R e frig e ra n t s h o rta g e o r re s tric tio n
L o o s e w ire c o n n e c tio n s
S u p p ly vo lta g e o u t o f s p e c ific a tio n
O ve rlo a d p ro te c to r o p e n
F a u lty c o m p re s s o r m o to r ca p a c ito r
(s om e c om p re s s o rs d o n o t re q u ire
m o to r c a p a c ito r)
F a u lty fa n m o to r
R e s tric te d a ir flo w
R e frig e ra n t s h o rta g e o r re s tric tio n
In S a b b a th m o d e .
D o o r h a s b e e n le ft o p e n fo r 1 0
c o n tin u o u s m in u te s .
O p e n c irc u it o n n e u tra l s id e o f lig h t
c irc u it.
16026312
C o rre c tiv e A c tio n
C h e c k d e fro s t th e rm o s ta t. R e p la c e if
fa ile d .
C h e c k fa n m o to r. R e p la c e if fa ile d .
C h e c k d e fro s t h e a te r c o n tin u ity.
R e p la c e if fa ile d .
C h e c k m a in c o n tro l a n d re p la c e if
fa ile d .
C h e c k w irin g a n d c o n n e c tio n s .
R e p a ir a s n e c e s s a ry.
C h e c k fo r le a k o r re s tric tio n . R e p a ir,
e va c u a te a n d re c h a rg e s ys te m .
C h e c k w irin g a n d c o n n e c tio n s .
R e p a ir a s n e c e s s a ry.
C h e c k in p u t vo lta g e . C o rre c t a n y
s u p p ly p ro b le m s .
C h e c k o ve rlo a d p ro te c to r fo r
c o n tin u ity. If o p e n , re p la c e o ve rlo a d .
N O T E : E n s u re
o ve rlo a d /c o m p re s s o r a re b e lo w
trip te m p e ra tu re b e fo re te s tin g .
C h e c k c a p a c ito r fo r o p e n /s h o rt.
R e p la c e if n e c e s s a ry.
N O T E : D is c h a rg e c a p a c ito r
b e fo re te s tin g .
C h e c k fa n m o to r. R e p la c e if fa ile d .
C h e c k c o n d e n s e r a n d g rille fo r d irt.
C le a n .
C h e c k fo r le a k o r re s tric tio n . R e p a ir,
e va c u a te a n d re c h a rg e s ys te m .
If D is p e n s e r lig h ts a re a ls o o ff, s e e
S a b b a th m o d e .
C lo s e a ll th re e d o o rs fo r a t le a s t o n e
s e c o n d to re s e t c o n tro l.
O p e n c irc u it (w irin g o r m a in c o n tro l
b o a rd ) fro m n e u tra l to lig h t s o ck e ts .
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