STEP
SEQUENCE
RESULT
(5) PROBLEM
The magnetron operates on
high level when a lower cook
power is selected.
a
0 230
0 Volt
0 230
230 Volt
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
Start
Def. Dual Grill Time
DIRECT ACCESS
EM-G451
Time of day
Grill
Dual
150w
Dual
450w
Chilled
Meal
Liquid
Jacket
Potato
Pizza
Pork
Chops
Chicken
Pieces
Auto
Defrost
Down
Up
Timer/Weight
100 150 450 700
850 1000
Power
Delay
Start
Start
C
Clear/Stop
1
0
0
1
5
0
4
5
0
7
0
0
8
5
0
A
u
t
o
S
t
a
r
t
D
e
f
.
T
i
m
e
1
0
0
0
Runs
Runs
Check resistance of
heater.
Approximately 41.7Ω
measured over
both tubes.
Set power level
at low.
Touch START 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 resistance of
heater.
Aproximately 48.7Ω
measured over both
terminals.
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