Panasonic KY-B84BXBXD, Service Manual

Page: 36 / 75

36
U13
Empty pot auto-shutoff
(for the front IH
heater).
Note:
Even if this function is
activated, the pan/pot
may be deformed or
discolored.
"U13" appears while heat-
ing a pan/pot, and the
power turns off. The overheating safety
function triggers when the
temperature of the pan's
base becomes too high. U Is the pan/pot empty?
Have the contents of the
pan/pot dried out and
burned onto the base? Turn the power off.
Make sure that there is food
in the pan/pot together with
sufficient liquid. Turn the
power on again.
The IH does not heat up
despite the display being
normal (the display is not
blinking) and "U13"
appeared after about 15
minutes. The IH thermistor has short-
circuited. B Resistance of thermistor.
(If this is lower than
approx.400

at 20

C, it is
defective.)
Replace the front IH coil of
the heater where "U13" is
displayed.
If the front IH-coil is func-
tional Replace the P.C.board A of
the heater where "U13" is
displayed.
U16
Operation buttons error
detection. (Front IH
heater)
"U16" appears while heat-
ing a pan/pot on the front IH
heater. There is water or foreign
objects on or around the
operation panel.
The Operation switch has
been touched for 3 or more
seconds.
U - Remove water or foreign
objects.
"U16" appears while heat-
ing a pan/pot on the front IH
heater, and the power turns
off. The Operation unit has
short-circuited. B Are there variations in the
electrodes on the Operation
Unit? Replace the Operation Unit.
U33
Inadequate pot auto
shutoff
The auto-shutoff system
against inadequate pot for
Deep-frying cooking. Some pots are incompatible
depending on the shape
and size of the bottom,
type, and material. U - Use a pot/pan that is com-
patible with IH.
U34
Slipping pot auto shut-
off
The auto-shutoff system
against slipping pod during
Deep-frying cooking. The pot is not in the proper
position. U - Place the pot/pan in the
center of the heater.
Ingredients were added
while the preheating indica-
tor was displayed. - Remove the ingredients,
wait until the oil cools and
begin the cooking again.
More than 800g of oil was
added. - Make sure to follow instruc-
tions for amounts and depth
of oil.
Amount: 200 - 800 g (0.22 -
0.9 liters),
Depth: 1 cm or more.
U71
Empty pot auto-shutoff
(for the rear IH heater)
Note:
Even if this function is
activated, the pan/pot
may be deformed or
discolored.
"U71" appears while heat-
ing a pan/pot, and the
power turns off. The overheating safety
function triggers when the
temperature of the pan's
base becomes too high. U Is the pan/pot empty?
Have the contents of the
pan/pot been dried out and
burned onto the base? Turn the power off.
Make sure that there is food
in the pan/pot together with
sufficient liquid. Turn the
power on again.
The left IH does not heat up
despite the display being
normal (the display is not
blinking) and "U71"
appeared after approxi-
mately 35 minutes. The rear IH thermistor has
short-circuited. B Resistance of thermistor.
(If this is lower than approx.
400

at 20

C, it is defec-
tive.)
Replace the rear IH coil of
the heater where "U71" is
displayed.
If rear IH-coil is functional. Replace the P.C.board A of
the heater where "U71" is
displayed.
U81
Operation buttons error
detection. (Rear IH
heater)
"U81" appears while heat-
ing. There is water or foreign
objects on or around the
operation panel.
The Operation switch has
been touched for 3 or more
seconds. U - Remove water or foreign
objects.
"U81" appears and the Rear
IH heater power turns off. The Operation unit has
short-circuited. B Are there variations in elec-
trode on the Operation
Unit? Replace Operation Unit.
Error codes
Description
Symptom/state Cause Factor Checkpoint Remedy/Repair