13
PLMV169DCC
CK = Check / RE = Replace
POSSIBLE CASE AND
DEFECTIVE PARTS
PROBLEM
TEST PROCEDURE
CONDITION
OFF
CONDITION
IDL
E
CONDITION
MICR
OWAVE
COOKING
CONDITION
Home fuse blows when power cord is plugged into wall receptacle.
Monitor fuse blows when power cord is plugged into wall receptacle.
Display does not illuminate when power cord is first plugged into wall
receptacle.
Display does not operate properly when STOP/CLEAR key is touched.
(The time of day should appear on the display with beep sound during
normal condition.)
Oven lamp does not light with door is opened.
Hood fan motor operates when power cord is first plugged into wall
receptacle.
Temperature of oven base seems more than 140ûF (60ûC) because of
operation of the range below. But hood fan motor does not turn on
automatically.
(
N
ormally, food fan motor should be opera
ting at low
speed.)
Hood lights
do not turn on when WORK LIGHT pad or NIGHT LIGHT pad
is pressed.
Hood fan motor
does not rotate at all with tou
ched FA
N
HI/LO pa
d
.
Speed of the hood fan motor does not change when the
FAN HI/LO pad is
touched for this function.
Oven lamp d
oes not
lig
ht in cook cycle. (
But it does light
when doo
r is
opened.)
Fan motor does not operate. (
Oven lamp and turntable motor opera
te.)
Turntable motor
d
oes not operate (Oven lamp lights and fan motor
oper
a
te.)
Oven does not go into c
o
ok
cycle wh
en ST
ART pad
is touched
Oven seems to be opera
ting but little or no he
a
t is produ
ced in oven lo
ad.
(Food incompletely cooked or not cooked at al
l at end of cook cycle.)
Oven goes into a cook cycle but extremely uneven heating i
s produced in
oven load (
f
ood).
Variable co
ok
ing doe
s not operate
p
r
o
perly except Cooking Power
10 (P-
HI) mode.
Function of CO
MPU DEFROST does not o
perate pr
o
perly.
Stirrer motor does not
operate. (O
ther parts operate.)
Oven goes into COMPU DEFROST bu
t food is not defrosted well.
CK LOW VOLTAGE
CK NO POWER AT OUTLET
RE
SHORTED IN POWER CORD
CK OPENED OR SHORTED WIRING
CK HOOD MOTOR CAPACITOR
RE HOOD LAMP OR SOCKET
CK
TURNTABLE OFF CONDITION
RE STIRRER MOTOR
RE TURNTABLE MOTOR
RE FAN MOTOR
RE OVEN LAMP OR SOCKET
P FOIL PATERN ON P.W.B.
O
COMPU DEFROST
N
RELAY (RY-5)
N RELAY (RY-4)
N RELAY (RY-3)
N
RELAY (RY-2)
N RELAY (RY-1)
M
KEY UNIT
L CONTROL UNIT
K HOOD FAN MOTOR
J HOOD HERMAL CUT-OUT
I C/T FUSE
H MONITOR SWITCH
G
SECONDARY INTERLOCK SYSTEM
F
PRIMARY INTERLOCK SWITCH
E
TEMPERATURE FUSE OR THERMAL CUT-OUT
D HIGH VOLTAGE CAPACITOR
C
H.V. RECTIFIER
B POWER TRANSFORMER
A
MAGNETRON
Q NOISE FILTER
The oven stops and "ERROR" is displayed or does not end during
Sensor Cooking
condition. (Oven does not shut off after a cup of water
is
boiling by Sensor Cooking
.)
Oven stops at 32 seconds after starting
.
SENSOR
COOKIN
G
COND
I
T
I
ON
R AH SENSOR
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