STEP
SEQUENCE
RESUL
T
(5) PROBLEM
The magnetron operates on
high level when a lower cook
power is selected.
a
0 230
0 V
olt
0 230
230 V
olt
No problem
Measure water
temperature rise
exactly
.
Replace control
circuit board.
Normal control
circuit board
Replace control
circuit board.
(6) PROBLEM
Unit does not heat up even
if display counts down when
key is touched for
"Grill Cooking".
a
Normal control
circuit board
Replace Heater
∞
52
Normal
Resistance.
0
∞
Resistance
Incorrect.
EM-G451
Auto
Star
t
Def.
D
ual
G
rill
Time
DIRECT A
CCESS
EM-G451
Time of da
y
Grill
Dual
150w
Dual
450w
Chilled
Meal
Liquid
Jack
et
P
o
tato
Pizza
P
ork
Chops
Chick
en
Pieces
Auto
Defr
ost
Do
wn
Up
Timer/W
eight
100
150
450
700
850
1000
Po
w
e
r
Dela
y
Star
t
Star
t
C
Clear/Stop
1
0
0
1
5
0
4
5
0
7
0
0
8
5
0
A
ut
o
St
ar
t
D
ef
.
Ti
m
e
1
0
0
0
Runs
Runs
Check resistance of
heater
.
Approximately 41.7
Ω
measured over
both tubes.
Set power level
at low
.
T
ouch
ST
ART
key and measure
voltage between leads for
primary winding of H.V transformer
after removing the wire leads from
terminals of H.V transformer
.
-12-
Runs
Normal Heater
E
M
-S
3
5
0
Check r
esistance of
heater
.
Apr
o
ximatel
y 48.7
Ω
measur
ed o
ver both
terminals.
C
150w
450w
Kg
/
AU
T
O
MIN
SEC
