SYMPTOM
STEP
CHECK
RESULT
CAUSE
CORRECTIONS
Missing or lighting of incorrect
segment
1
Replace IC-1 and
check operation
Normal
IC-1
Abnormal
DISPLAY
H97/H98 appears in window
and oven stops operation.
Program High power for 1
minute and conduct following
test quickly, unless H97/H98
appears and oven stops.
[NEW H.V.]
1
Unplug CN702(2 pin)
connector and
measure voltage
between terminals
0V
1. Latch
2. DPC/Power
Relay
AC line voltage of 230-
240V
Step
2
Unplug CN701(3 pin)
connector and
measure pin 1 voltage
0V
DPC
Approx. AC 3V
Magnetron
CONTINUED FOR SENSOR MODELS
Auto sensor cooking does
not operate normally.
(Steam Sensor cooking
does not detect steam from
foods.)
1
Steam sensor terminal
voltage by using high
impedance tester (20k
/ V),while breathing
on metal surface of
sensor
Abnormal = 0V
Steam sensor
Normal>10-30mV
IC-1
9.4. How to check the semiconductors using an OHM meter
10. EXPLODED VIEW AND PARTS LIST
33
Содержание NN-GD566M
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