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.
Runs
1
0
0
1
5
0
4
5
0
7
0
0
8
5
0
A
uto
Start
D
ef. T
im
e
1
0
0
0
Check resistance of
heater.
Approximately 51.6Ω
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.
-13-
Normal Heater
Runs
Runs
EM-S350
TIMER
Baked
Potato
Roast
Chicken
Cake/
Pudding
Fish
Reheat
Snacks
Pizza
Casserole
Roast
Meat Joint
Dual Cook
Slow Cook
Low / High
Time of Day
Clear/Stop
Weigh Dish
Auto Defrost
Micro Power
Convec. Temp.
Grill
EM-D993
3. Micro + Grill
1. Convec. + Micro
2. Convec. + Grill
SEC
AUTO SENSOR
MIN
C
Start
Auto Sensor