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11
7 PROBLEM DIAGNOSIS TABLE Vol.2 (for the control board)
Drawing No.
27
SW
LCD
BZ
RL
TR1
30
Remarks
Control board
Parts on control board
PCB for Power
Tact switch
LCD panel
Buzzer
Relay
T
riac
Does not
cook rice
cook rice
COOKING LED
lights up.
lights up.
〇
〇
COOKING LED
does not light up.
does not light up.
〇
〇
〇
LCD has no
indication.
indication.
〇
LCD has (H05)
indication.
indication.
〇
〇
Cannot cook rice correctly. (Stops
early or cooking is uneven, etc.)
early or cooking is uneven, etc.)
〇
〇
Rice on the bottom of the inner pan is
scorched dark brown.
scorched dark brown.
〇
〇
Keep Warm temperature is high.
(78°C or higher)
(78°C or higher)
〇
〇
Keep Warm temperature is low.
(68°C or lower)
(68°C or lower)
〇
〇
Does not Keep
Warm
Warm
Keep Warm LED
lights up
lights up
〇
〇
Don’t keep warm continuously.
〇
〇
Droplets fall onto the surface of the
rice.
rice.
〇
〇
Buzzer doesn’t
sound.
sound.
Other operations
are normal.
are normal.
〇
〇
Incomplete LCD indication.
〇
〇
When unplugged, the current time
display goes out.
display goes out.
Malfunction
Symptom
Status of
main unit
main unit
Malfunction Suspect
Component
IP4853_SR_DY181_DY101_Eng_05_131230.indd 11
IP4853_SR_DY181_DY101_Eng_05_131230.indd 11
2013-12-30 11:54:54
2013-12-30 11:54:54
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