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Symptom
Procedure
Inspection
Cause
Countermeasure
F.
"E:Ol''(inner
1) Inner case is cooling,
case is high
after start baking again.
E
Start
temperature
more than 40"C
when start
YES Inner case is
Normalized
baking.) appears
high temp.
in display
window.
2) Measure sensor
resistance.
25°C Approx. 50kfl
YES>
Sensor failure
Replace sensor
.—.
Control board
Replace control
' failure
board
3. "E:02
1) Measure sensor
(thermistor-
resistance.
[
Start
open), "E:03
25°C Approx. 50kf3
(thermister-
short), "E:04"
YES
(inner case is
' Sensor failure
Replace sensor
abnormal high
temperature),
"E:08 (inner
case is high
NO
Control board
Replace control
temperature
failure
board
more than 60"C
when rising)
appears in
display window.
-1."E:05° appears
1) Check if heater and
in display
heater wiring are in
window. (Inner
normal condition.
casetemperatu re
is not go up
Heater failure or
Replace heater,
when baking.)
poor connection
or repair wiring
2) Measure sensor
resistance.
25°C Approx. 50kf3
Replace sensor
3) Measure control board
voltage.
(While heater is
NO > Control board
Replace control
operated)
@ - @ Approx. 5V
Power board
Replace power
failure
board
24
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