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4-3 Electrical Malfunction
Failure
The LED does not come
on when unit is plugged
in.
Some buttons can't
work, or the LED display
is not normal.
The Cooking Mode
indicator comes on, but
heating does not start.
Heating stops suddenly
during operation and
display "U"
Heating zones of the
same side (Such as the
first and the second
zone) would display "U".
Fan motor sounds
abnormal.
Problem
NO power supplied or display is
damaged.
The display board is damaged.
There is something wrong of the
fan or the power board is damaged.
Cooker has overheated or the pan
type is wrong.
Communication failure
The fan motor is damaged or
foreign body inside.
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Solution
21 Page
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Replace the fan.
Clean‐up the fan.
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