13
R-90GCH
Home fuse blows when power cord is plugged into wall receptacle.
Fuse
F1 20A blows when power cord is plugged into wall receptacle
"SELECT LANGUAGE" does not appear in display when power cord is
first plugged into wall receptacle.
Display does not operate properly when STOP key is touched. (The time
of day should appear on the display with beep sound.)
Oven lamp does not light with door opened.
Oven lamp does not light in cook cycle. (It light when door is opened).
Cooking cycle runs 1 minute then shuts down.
Oven lamp light, but turntable motor does not operate.
Turntable motor operates normally but cooling fan motor does not
operate.
Oven does not go into a cook cycle, when
(START)+1min key is touched.
Low or no power is produced during microwave cooking (The food is
heated incompletely or not heated at all)
Extremely uneven heating is produced in oven load (food).
Function of variable cooking does not operate properly except HIGH
(100%) power.
Oven does not go into cook cycle when
(START)+1min i
s
t
ouched.
Heating elements do not heat.
Temperature in the oven cavity is lower or higher than preset.
Convection cycle runs for 10 minutes then shuts down.
Convection motor does not operate of all or properly.
A
MAGNETRON
B
HIGH VOLTAGE TRANSFORMER
C
H.V. RECTIFIER ASSEMBLY
D
HIGH VOLTAGE CAPACITOR C1
E
SECONDARY INTERLOCK SWITCH SW1
E
3RD. LATCH SWITCH SW3
E
DOOR SENSING SWITCH SW4
E
MONITOR SWITCH SW2
F
HIGH VOLTAGE FUSE F3
G
NOISE FILTER
H
FUSE F1 20A
J
MAGNETRON TEMPERATURE FUSE
K
THERMAL CUT-OUT (TOP) TC1
M
TOP HEATING ELEMENT H1
O
THERMISTOR
P/U
DAMPER MOTOR
Q
DAMPER SWITCH SW5
V
TOUCH CONTROL PANEL
W
TACT SWITCH
X
RELAY RY-1
X
RELAY RY-2
X
RELAY RY-3
X
RELAY RY-4
X
RELAY RY-5
X
RELAY RY-6
Z
FUSE1 ON PWB.
Y
SOLID-STATE RELAY (TOP) SSR1
Y
SOLID-STATE RELAY (SIDE) SSR2
Replace
OVEN LAMP
U
FAN MOTOR (MAGNETRON)
U
TURNTABLE MOTOR
S
CONVECTION MOTOR
Check
LOOSE WIRING
Check
SHORTED IN POWER CORD
Check
NO POWER AT OUTLET
Check
LOW VOLTAGE
L
THERMAL CUT OUT (SIDE) TC2
N
SIDE HEATING ELEMENT H2
U
FAN MOTOR
(HIGH VOLTAGE TRANSFORMER)
Z
T/C TRANSFORMER
I
FUSE F2 F10A
R
CONVECTION MOTOR CAPACITOR C2
Check
MISADJUSTMENT SWITCH
POSSIBLE CAUSE
AND
DEFECTIVE PARTS
TEST PROCEDURE
CONDITION
COOKING CONDITION
(MICROWAVE)
(CONVECTION/
GRILL/ DUAL)
OFF CONDITION
PROBLEM
