Amana RFS Models, Service Manual

Page: 29 / 38

27
Troubleshooting
CO N D I T I O N CHECK R ESULT C A USE R EMEDY
1 . Fuse b l ows. Continuity.
No c ontinuity.
Continuity.
Shorted c onta c t at
the primary swit c h.
No c ontinuity.
Fuse b l ows again
Defe c tive high vo l t-
age transformer.
Rep l a c e high vo l t-
age transformer.
Norma l .
Defe c tive high
vo l tage c apa c itor.
R eplace high
voltage capacitor.
Ma l fun c tion of the
monitor swit c h.
R eplace fuse,
interlock assembly
Che c k c ontinuity
of monitor
swit c h (with
door cl osed).
Che c k c ontinuity
of primary
swit c h (with
door opened).
Dis c onne c t one
side of the wire
l ead c onne c ted
from transformer
to the high vo l tage
c apa c itor and
operate the unit.
Rep l a c e fuse
Continuity.
Ma l fun c tion of
se c ondary swit c h.
No c ontinuity.
Che c k c ontinuity
of se c ondary
swit c h (with
door opened).
Norma l .
Set is good condition
(defective fuse only)
Abnorma l .
Measure to
resistan c e high
vo l tage c apa c itor
(refer to page 20)
2. Fuse does not
b l ow.
No c ontinuity.
No c ontinuity.
Rep l a c e power
supp l y c ord.
Defe c tive
oven T CO.
Defe c tive power
supp l y c ord.
Rep l a c e
oven T CO.
Che c k c ontinuity
of oven T CO.
Che c k c ontinuity
of power supp l y
c ord.
Continuity.
R eplace fuse,
interlock assembly
R eplace fuse,
interlock assembly
Trouble 2: Oven does not operate at all, Display window does not display any (*%U
)*)
2011 RFS Training Manual.indd 27 10/3/2011 8:36:48 AM