Page 15
GLBM188HB
7 – 2
[1] TROUBLESHOOTING CHART
CK = Check / RE = Replace
POSSIBLE
CASE
AND
DEFECTIVE
PARTS
PROBLEM
TEST PROCEDURE
CONDITION
OFF
CONDITION
IDLE
CONDITION
CK
LOW
VOL
T
AGE
CK
NO
P
O
WE
R
AT
O
UTLET
RE
SHORTED
IN
POWER
CO
RD
CK
OPENED
OR
SHOR
TE
D
W
IR
ING
CK
HO
O
D
M
O
T
O
R
CAPAC
IT
O
R
O
N
PWB
RE
CO
O
K
TOP
LAMP
O
R
SOCKET
CK
T
URNT
ABLE
O
F
F
CO
NDITIO
N
RE
ANTENNA
MOTOR
RE
TURNT
AB
LE
MOTOR
RE
F
A
N
M
OTOR
RE
OVEN
LAM
P
OR
SO
CKET
O
FUS
E
O
N
P
.W.B.
N
RELAY
(
RY-5
)
N
RELAY
(R
Y
-7,
R
Y
-8)
N
R
E
L
AY
(RY-6)
N
RELAY
(R
Y
-3)
N
RE
LAY
(RY-2)
N
RELAY
(R
Y
-1
)
M
KE
Y
UNIT
(DOO
R)
L
CONT
ROL
UNIT
K
HO
O
D
F
AN
MOTOR
J
HOO
D
T
HERM
OSTA
T
60º
C
ON
I
M
ONITOR
FUSE
H
M
ONITOR
SWITCH
G
P
R
IMARY
INTE
R
LOCK
S
YSTE
M
F
SECON
DARY
INTERLOCK
S
W
ITCH
E
TEMPERATU
RE
FU
S
E
OR
THERM
A
L
CUT-OUT
D
HIGH
VOLTAGE
CAPACIT
O
R
C
H.V.
RE
CTIFIE
R
B
P
OW
E
R
TRA
NSF
O
RME
R
A
MAGNETRON
Q
NOI
SE
FILTER
SENSOR
COOKING
CONDITION
P
HU
MIDI
T
Y
S
E
NSOR
MICROWAVE
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
140ºF (60ºC) because of operation of the range
below. But hood fan motor does not turn on
automatically. (Normally, food fan motor should
be operating at mid speed.)
Cook top lamp does not turn on when LIGHT pad
is pressed.
Hood fan motor does not rotate at all with
touched VENT pad.
Speed of the hood fan motor does not change
when the VENT pad is touched for this function.
Oven lamp does not light in cook cycle. (But it
does light when door is opened.)
Fan motor does not operate. (Oven lamp and
turntable motor operate.)
Turntable motor does not operate (Oven lamp
lights and fan motor operate.)
Oven does not go into cook cycle when START
pad is touched
Oven seems to be operating but little or no heat is
produced in oven load. (Food incompletely
cooked or not cooked at all at end of cook cycle.)
Oven goes into a cook cycle but extremely
uneven heating is produced in oven load (food).
Variable cooking does not operate properly
except Cooking Power 100% mode.
Function of AUTO DEFROST does not operate
properly.
Antenna motor does not operate. (Other parts
operate.)
Oven goes into AUTO DEFROST but food is not
defrosted well.
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.
Содержание GLBM188HB
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