E7
Supply voltage is below the rated voltage.
E8
Supply voltage is above the rated voltage.
U1
Communication error.
2)
Specific Failure & Solution
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 Indi-
cator comes on, but heat-
ing does not start.
Heating stops suddenly
during operation and the
display flashes "u".
Heating zones of the same
side (Such as the first and
the second zone ) would
display "u" .
Problem
No power supplied.
The accessorial power
board and the display
board connected fail-
ure.
The accessorial power
board is damaged.
The display board is
damaged.
The display board is
damaged.
High
temperature
of
the hob.
There
is
something
wrong with the fan.
The
power
board
is
damaged.
Pan Type is wrong.
Pot
diameter
is
too
small.
Cooker has overheated;
The power board and
the display board con-
nected failure;
The display board of
communicate
part
is
damaged.
20
Please inspect whether power supply is
normal.
Power on after the power supply is nor-
mal.
Reinsert the connection between the
display board and the power board.
Replace the power board or the display
board.
Solution A
Check to see if plug is
secured tightly in outlet
and that outlet is work-
ing.
Check the connection.
Replace the accessorial
power board.
Replace
the
display
board.
Replace
the
display
board.
Ambient
temperature
may be too high. Air In-
take or Air Vent may be
blocked.
Check whether the fan
runs
smoothly.
if not, replace the fan.
Replace
the
power
board.
Use the proper pot (refer
to the instruction manu-
al.)
Unit is overheated. Wait
for temperature to re-
turn to normal.
Push "ON/OFF" button to
restart unit.
Check the connection.
Replace
the
display
board.
Solution B
Pan detection cir-
cuit is damaged,
replace the power
board.
V.1