Section 3 Troubleshooting and Testing
3-2
C K
C K
R E
C K
C K
R E
C K
R E
R E
R E
O
N
(RY-5)
N
(RY-4)
N
(RY-3)
N
(RY-2)
N
(RY-1)
M
L
K
J
I
H
G
F
E
D
C
B
A
Home f
use blows when power cord is plugged into w
all receptacle.
Monitor f
use blows when power cord is plugged into w
all receptacle.
Displa
y does not illuminate when power cord is first plugged into w
all
receptacle
Displa
y does not oper
ate properly when ST
OP/CLEAR k
ey is touched.
(The time of da
y should appear on the displa
y with beep sound during
normal condition.
)
Ov
en lamp does not light with door is opened.
Hood f
an motor oper
ates when power cord is first plugged into w
all
receptacle.
Temper
ature of o
ven base seems more than 140°F (60°C) because of
oper
ation of r
ange below
. Hood f
an motor does not turn on automatically
.
(Normally
, f
ood f
an motor should be oper
ating at low speed.
)
Hood lights do not turn on when WORK LIGHT pad or NIGHT LIGHT pad is pressed.
Hood f
an motor does not rotate at all with touched F
AN HI/L
O pad.
Speed of the hood f
an motor does not change when the F
AN HI/L
O pad is
touched f
or this f
unction.
Ov
en lamp does not light in cook cy
cle. (B
ut it does light when door is
opened.
)
Fan motor does not oper
ate. (Ov
en lamp and turntable motor oper
ate.
)
Turntable motor does not oper
ate (Ov
en lamp lights and f
an motor
oper
ate.
)
Ov
en does not go into cook cy
cle when ST
AR
T pad is touched
Ov
en seems to be oper
ating but lit
tle or no heat is produced in o
ven load.
(F
ood incompletely cook
ed or not cook
ed at all at end of cook cy
cle.
)
Ov
en goes into a cook cy
cle but extremely unev
e
n heating is produced in
o
ven load (f
ood).
V
ariable cooking does not oper
ate properly ex
cept Cooking P
ower 10
(P-HI) mode.
Function of COMPU DEFROST does not oper
ate properly
.
Stirrer motor does not oper
ate. (Other parts oper
ate.
)
Ov
en goes into COMPU DEFROST but f
ood is not defrosted well.
The o
ven stops and "ERROR" is displa
yed or does not end during
Sensor Cooking condition. (Ov
en does not shut of
f after a cup of w
ater
is boiling by Sensor Cooking.
)
Ov
en stops at 32 seconds after starting.
Sensor
Cooking
Condition
Cooking
Condition
Condition
Microw
a
v
e
T
est Procedure
Id
le
Condition
Of
f
Problem
Magnetron
Power Transformer
Possible Cause And
Defective Parts
H.V. Rectifier
High Voltage Capacitor
Temperature Fuse, Thermal Cutout
Primary Interlock Switch
Secondary Interlock System
Monitor Switch
Monitor Fuse
Hood Thermal Cutout
Hood Fan Motor
Control Unit
Key Unit
Relay
Relay
Relay
Relay
Relay
Foil Pattern on P.W.B.
Oven Lamp or Socket
Fan Motor
Turntable Motor
Turntable Off Condition
Hood Lamp or Socket
Hood Motor Capacitor
Open or Shorted Wiring
Shorted In Powercord
No Power At Outlet
Low Voltage
Summary of Contents for CFMV152KW
Page 2: ......
Page 18: ...Section 2 Operation 2 6 Notes ...
Page 51: ...Section 6 Parts List 6 3 Oven And Cabinet Parts ...