PANASONIC KY C227ABSD

2.5W / When the power switch is turned off Fuse Main fuse on printed circuit board 250V 17A Equipment for Instal-lation Dedicated circuit 220V 20A or more with circuit breakerLeakage cur

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No.IHB0703002CE

Induction Heating Cooktop (Built-in/Free-standing)

KY-C227ABSD

Destination Hong Kong

TABLE OF CONTENTS

PAGE

1 Safety Precautions - 2

2 Specifications - 3

3 Location of Controls and Components - 4

4 Troubleshooting Guide - 5

5 Disassembly and Assembly Instructions -18

6 Dimensions -38

7 Factory Setting -39

8 Schematic Diagram -41

9 Exploded View and Replacement Parts List -44

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1 Safety Precautions

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2 Specifications

KY-C227A BSD (Hong Kong)

Dimensions

(approx.)

Top size (Frame outside) 749mm(W) x 450mm(D) x 12mm(H)

Standby power consumption Approx 2.5W / When the power switch is turned off

Fuse (Main fuse on printed circuit board) 250V 17A

Equipment for

Instal-lation

Dedicated circuit 220V 20A or more with circuit breakerLeakage current breaker Rated current 20A, Sensed current 30mA

High-temperature caution Two lampFan Motor Power consumption DC brushless motor: Approx 20W (10W x 2)

IH heating Power consumption Left 2,600W(9-level adjustment: Equivalent to 120W to 2,600W)

Right 2,600W(9-level adjustment: Equivalent to 120W to 2,600W)

*The maximum power will be auto-adjusted so as keep the total power under 2,600W

Cooking timer Left 1minute to 9 hours and 30 minutes

Right 1minute to 9 hours and 30 minutesCompatible

Pots/Pans

Material Iron, Stainless steel (Magnetic type is better) Diameter 12cm to 26cm: Diameter that the base contact with the top plate

*Refer to operating instructions for details

Specified Pots Material Stainless steel

Diameter 22cm to 24cm: Diameter that the base contact with the top plate

*Refer to operating instructions for details

Safety function Forgotten-OFF auto shutoff 45min (When elapses without any button being pressed while heating.)

Main power switch auto shutoff 1min (When elapses without any button being pressed while non-heating.)Undetected pot auto shutoff/

Small object auto shutoff

The indicator of the IH heater flashes for 1 minute, then goes off

Empty pot auto shutoff Approx 15 min when an empty pot is heated, the heater auto shut off

Error code - U13: Left IH heater, U14: Right IH heaterNote: Even if this function activated, the pan/pot may be deformed or discolored.All-lock (Child safety lock) Lock/Unlock all heater operations, by pressing Lock/Unlock button for 3 sec.Over heating prevention If the bottom of the pan is overheated, the heat power is adjusted automatically

When the temperature decreases, the power increase

High temperature caution light The caution light notifies the high temperature of the top plate

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3 Location of Controls and Components

3.1 Functional assignments of boards

PCB-A and PCB-H are the same circuit boards where each one is arranged right and left.

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4 Troubleshooting Guide

Before starting the troubleshooting process, use the following procedures to pinpoint the cause of the problem.

Operation buttons

The right operation panel

A:Main Power switch

B:All-lock (child safety lock) button

H:Timer down (-) button

The left operation panel

H:Timer down (-) button

Reference: All displays which can be lit.

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4.1 Operational checks and procedures

Preparation: Fill suitable pots with water and place them on the left/right IH heaters (Refer to: Types of Pots and Pans that can be used in theOperating Instructions.)

1.Turn the main power switch on • The Power switch is lit

* Turns off automatically if a button is not pressed within approximately one minute.2.Press the Off/On button on the

right/left operation panel

• The cooking ring is lit and the heat level indicator is displayed on level 6 (The cooling fan starts rotating.)

• Change the heat level with the heating UP and DOWN buttons

• Press the heating UP button for longer than one second while the heat level is on 8 This will activate level

• When one IH is used on level 8, the maximum level of the other IH is 5

• The maximum heating level of both IHs simultaneously is 7

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3 The Congee Program

(1)Press the Congee button

(2)Press the Congee button again

(3)Press the Timer "-" or "+" button

(4)Press the Off/On button

• The Congee symbol flashes,the timer is set to 3:00 and the 4-servings indicator light is illuminated

• The servings light changes to 2

Each time the Congee button is pressed, the number of servings indicator switchesbetween 4 and 2

• Each button press adds or deducts 10 minutes within the 2-3 hour time range

* Press and hold for rapid mode

• The Congee program starts

The cooking ring is lit and the Congee symbol is illuminated

* When 3 hours (or the set time) has elapsed, the buzzer will sound and the power will automatically turnoff

*The Congee setting will be cleared if the Timer or the Off/On button is not pressed within 10 seconds

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4 Timer

(1) Press the "Off/On" button

(2)Press the "+" button

or press the "-" button

(3)Repeatedly press the "+" or "-"

button

*Press and hold for rapid mode

• "0:01" is displayed

• "9:30" is displayed

• 1 min intervals up to 20 minutes

• 10 min intervals up to 3 hours

• 30 min intervals over 3 hours

• Timer cooking starts

(Countdown is in 1 minute intervals.)

* When the timer button is pressed ahead, the timer setting is cleared if 10 seconds have elapsed withoutany button being pressed before heating

5 All-lock button

(1)Locking

Turn on the main power switch

and press and hold the key

but-ton for 3 seconds or more

(2)Unlocking

Press and hold the key button for

3 seconds again

• The All-lock symbol appears (An illuminated key.)

* All button operations are disabled

* Locking is disabled while any of the panel operations are in use

* The controls remain locked, even when the power is turned off

• The key symbol disappears

6.Undetected pot auto-shutoff /

Small object auto-shutoff

• When the Off/On button is

pushed without placing anything

on the IH heater

• The heat level indicator flashes for 1 minute and then goes off

* The cooking ring lights up normally

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4.2 Self-diagnosis functions and remedy/repair methods

4.2.1 U indications "U##"

When the safety function is activated, a buzzer will sound and the error indication "U##" will appear.

Note the U number and remove the U display by pressing the Off/On button Follow the remedy provided for U factors If the U tor still appears after trying the remedy, there is a breakdown and repairs must be carried out as itemized in the B factor procedures, shown below.

fac-"Factor" - U: Using or maintenance B: Breakdown

Error codes

Description

U04

Filter clog detection

"U04" appears while ing and the power is shutdown

cook-The thermistor has detectedabnormal overheating ofPCB-A

U Is the intake or exhaust ventblocked?

Remove anything that isclogging the intake orexhaust vent

(U04 disappears when tilation returns to normaland the IH coil has cooleddown Power will berestored automatically.)Using an incompatible pot U Is the pot being used

ven-labeled "usable with IH"

* Earthen pots should not

be used even if displayedfor induction heating

Use a compatible pot asshown in the OperatingInstructions

Fan motor is not turning B Check the exhaust air

stream, motor noise and fanrotation

Replace the U04 side motor

fan-If the fan motor is tional

func-* The motor ratings are DC

20V

(As an informal checking:

The motor is normal if itbegins to rotate within the

DC volts 6 to 10.)

Replace PCB-A on the U04side

If PCB-A is functional Replace PCB-L

"U04" appears immediatelyafter the left/right IH heater

is turned on

The thermistor (TH1) onPCB-A has short-circuited

Or PCB-A has a tion

malfunc-B "U04" appears soon afterthe heat is turned on

Replace PCB-A

U13

Empty pot auto-shutoff

(for the left IH heater)

Note:

Even if this function

activated, the pan/pot

may be deformed or

discolored

"U13" appears while ing a pan/pot, and the power turns off

heat-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

U Is the cooker being used for deep frying?

Do not attempt deep frying with this model

The oil may overheat and catch alight because this cooker model does not have an oil temperature control system

The left IH does not heat up despite the display being normal (the display is not blinking) and "U13"

appeared after about 10 minutes

The left IH thermistor has short-circuited

B Resistance of thermistor C

(If this lower than approx.400Ωat 20°C, it is defective.)

Replace thermistor C

Resistance of thermistor D

Replace thermistor D

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Empty pot auto-shutoff

(for the right IH heater)

Note:

Even if this function

activated, the pan/pot

may be deformed or

discolored

"U14" appears while ing a pan/pot, and the power turns off

heat-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

U Is the cooker being used for deep frying?

Do not attempt deep frying with this model

The oil may overheat and catch alight because this cooker model does not have an oil temperature control system

The right IH does not heat

up despite the display being normal (the display is not blinking) and "U14" appears after about 10 minutes

The right IH thermistor has short-circuited

Resistance of thermistor D

(If this lower than approx

400Ωat 20°C, it is tive.)

The Congee program is being used while the top plate is still too hot

U Was the Congee program started after using the top plate for other cooking?

Wait until the top plate has cooled down before using the Congee program.(If "U19" does not appear, the plate is ready for Con-gee cooking.)

An empty pot was used with the Congee program

U Is the pot on the top plate empty or dry?

Wait until the top plate has cooled down Place food in the pot and start the Con-gee program again The IH coil set thermistor

(C) has a malfunction

(If this is lower than approx

1kΩat 20°C, it will tion during the Congee pro-gram.)

malfunc-Replace thermistor C on the side displaying "U19."

If thermistor C has not functioned

mal-Replace PCB-A on the side displaying "U19."

Error codes

Description

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Ensure the connection.

Measure the resistance betweenthe two terminal pins of thermistorC's connector (in the center of theleft IH coil)

* When the resistance is higherthan 2MΩ, it is detected out asopen

Confirm the wire is undamaged andreplace thermistor C (left)

If thermistor C is functional and thewire is undamaged

Replace PCB-A (left)

If there is still an error despitereplacing PCB-A

Ensure the connection

Measure the resistance betweenthe two terminal pins of thermistorC's connector (in the center of theright IH coil)

Confirm the wire is undamaged andreplace thermistor C (right)

If thermistor C is functional and thewire is undamaged

Replace PCB-A (right)

Measure the resistance betweenthe two terminal pins of thermistorD's connector(in the rolling coil ofthe left IH)

If it is damaged, replace thermistor

D (left)

If thermistor D is functional and thewire is undamaged

Measure the resistance betweenthe two terminal pins of thermistorD's connector (in the rolling coil ofthe right IH)

If it is damaged, replace thermistor

D (right)

If thermistor D is functional and thewire is undamaged

Replace PCB-G (right.)

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Interruption of the communication

signal between the right and left IH

control circuits

Note:

For this error, it is high possibility

that the control system in the other

side of the error display has the

trouble

"H10" appears when the main

power switch is turned on Only the

left IH indicator.

• The right IH does not operate

• The left IH does not reach ing level 8 (The heating level 7

heat-or less can be used.)

Wire connections of PCB-L andPCB-A (right and left)

connec-Replace PCB-A (right).

Replace PCB-L

power switch is turned on Only the

right IH indicator.

• The left IH does not operate

• The right IH does not reachheating level 8 (The heatinglevel 7 or less can be used.)

*E.g

CN4/CN9 on left PCB-ACN806 on PCB-L

Ensure that a connection is beingmade If not, replace the lead wire

If the lead wire is making a tion surely

connec-Replace PCB-A (left).

Replace PCB-L

power switch is turned on Both the

left and right IH indicators.

• Both IHs do not reach heatinglevel 8 (The heating level 7 orless can be used.)

*E.g

CN4 on left PCB-ACN9 on both PCB-ACN806 on PCB-L

If the lead wire is making a tion surely

Open circuit detection for the

high-temperature caution light

(On PCB-D or E)

"H13" appears when the top plateheats up (the high temperature cau-tion light is not illuminated) and thepower to the left IH is off

About the high-temperature tion light: On the 227 series, a pro-

cau-gram was added that illuminates thehigh-temperature caution light, cal-culated according to the watt/hourconsumption from the time whenthe heat is turned on

This watt/hour calculation causesthe high-temperature caution light

to illuminate before the top platebecomes hot

On the high power setting, the tion light will illuminate within in afew seconds On lower power set-tings, it will illuminate within about 3minutes

cau-Wire connections of PCB-D, PCB-Eand PCB-H

If the lead wire is making a tion

connec-* A tester with a diode mode can beused to check if the LED element isbroken

Open circuit detection for the fuse

of the left IH side

"H14" appears when the left IH isturned on

Wire connections of PCB-L PCB-A(left)

*E.g

CN809/CN810 on PCB-L

Ensure that connection is beingmade

FUSE2 on PCB-A (left) is open Replace PCB-A (left.)

Note: Do not simply replace thefuse This will not work because theinverter element is also defective

H15

Open circuit detection for the fuse

of the right IH side

"H15" appears when the right IH isturned on

FUSE2 on PCB-A (right) is open Replace PCB-A (right.)

Note: Do not simply replace thefuse This will not work because theinverter element is also defective

H20

Improper power supply detected

(or an in-circuit problem)

"H20" appears for both IHs whenthe main power switch is turned on

Pressing buttons has no effect

Check the power supply voltage

* Is the unit connected to a 110V/

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4.2.3 Other faults

1 The high-temperature caution light keeps blinking.

2 The cooking ring of the IH heater does not illuminate

("H22" appears first on the right

And, "H21" will appear on the left inabout 1 minute.)

Wire connections from PCB-L toPCB-A (left)

"H21" appears on the left display

only, when the main power switch isturned on

The control signal from the leftPCB-A to the power relay does notreach

If there is still an error despitereplacing PCB-A (left)

Replace PCB-L

"H22" appears on the right display

only, when the main power switch isturned on

The control signal from the rightPCB-A to the power relay does notreach

If there is still an error despitereplacing PCB-A (right)

Error codes

Description

Thermistor C The element in thermistor C has short-circuited

* Resistance lower than 150Ω is detected a short-circuit

Thermistor D The element in thermistor D has short-circuited

* Resistance lower than 150Ω is detected a short-circuit

Replace thermistor D

PCB-F (in the IH coil set)

PCB-G (in the IH coil set)

PCB-A (on the defective side)

Check the PCB-F/G connection If the connection is sound Replace PCB-F or PCB-G

If the defect persists despite replacing PCBs F and G Replace PCB-A

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4.2.4 Power supply check mode (OVD checking)

In this mode, an abnormal power supply can be checked Use this mode, when one or more of the following symptom occur

Symptom:

• It takes an excessively long time to boil water (The indicators on the operation panel are normal.)

• The pot/pan intermittently stops heating up (The indicators on the operation panel are normal.)

• The indicators on the operation panel disappear momentarily, or display intermittently (Heating power starts/stops neously with the blinking indicators.)

• Ascertain the source of the power supply noise and remove it (Refer to "Noise Incidents" - KAD0507001BE.)

1 Check if the electrical noise is being caused by other equipment in the house.

2 If the noise is a coming from an outside source, approach your power company for assistance.

Operating procedures

Preparation

Pour water into a pot and put it on the IH heater

How to operate (Each button operation has a buzzer sound.)

1.Turn the main power switch on

2.Press the Heating down and Timer down button simultaneously

3.Press the Heating up button immediately (within 3 seconds).

4.Press the Off/On button

*In this mode, only the following button can be used On/Off

Heating up and Heating down

C01: Abnormal power supply

The wave exceeds the OVD limits

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4.2.5 Memory of total hours used and the latest error code recall mode

In this mode, the total hours used by each IH and the latest displayed error code can be recalled on the IH indicator.

How to operate (Each button operation has a buzzer sound.)

3.Press the Heating down button immediately (within 3 seconds).

4.Press the Heating down button again and hold it.

Note: The maximum time that can be displayed is 65,535 hours

Displaying the latest error code

5.Press the Timer up button

Return to the hours used

6.Press the Off/On button

Initialization of memory

7.Press and hold the Timer down button for 3 seconds

How to exit from this mode

Turn the main power switch off

③ Shows hours used

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4.2.6 Integral power consumption display mode

In this mode, a rough estimate of integral power consumption is shown

How to operate(Each button operation has a buzzer sound.)

3.Press the Off/On button immediately (within 3 seconds)

To see the lower digit.

4.Press and hold the Heating up button.

To see the upper digit.

5 Press and hold the Heating down button.

Change the display to integral watt-hour-2.

6 Press the Timer up button.

Reset integral watt-hour-2

7 Press and hold the Timer down button for 3 seconds.

How to exit from this mode

• Turn the main power switch off

③ Shows integral watt-hour-1 in 3-digit kWh

⑥ Shows integral watt-hour-2

⑦ The memory of integral watt-hour-2 is reset to zero

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4.2.7 Demonstration mode

In this mode, the buttons can be used but heating does not occur

Note: The detailed aspects of integral watt-hour-1 and 2

How to operate(Each button operation has a buzzer sound.)

1 Turn the main power switch on

2 Press the Heating down and Timer down buttons simultaneously

3 Press the Timer up button immediately (within 3 seconds).

4 Press any operation button

How to exit demo-mode

• Perform operations 1, 2 and 3 again

Note:

• Demo-mode cannot be exited in any other manner, even if the power

is turned off When the power is turned on again, demo-mode will still

• The buttons work but heating does not occur and the fan-motors arenot turned on

• The heating level indicator does not blink, even if there are no pots/pans on the IH plates

• The timer function works and countdown takes place

• The high temperature caution light does not illuminate because the IHplates do not heat up

* The caution light will illuminate if the top plate is artificially heated byplacing a hot pot/pan on it

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5 Disassembly and Assembly Instructions

Important

• Be sure to turn off the circuit breaker before disassembling the IH cooktop.

• For assembly, refer to the tips provided and bear in mind that assembly is done in the reverse order of the disassembly dure.

proce-5.1 Main IH Cooktop Unit

1 Remove the main IH cooktop unit from the cabinet

(Built-in type).

• If the top plate has been bonded to the counter with

seal-ant tape (Sealing tape A), remove the tape with a plastic

spatula, taking care not to damage the counter.

2 Disconnect the power to the IH cooktop by removing the

plug from the electrical outlet.

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5.2 Top plate

1 Remove the screws A (10 pcs).

Screw A: Panhead Deltite screw 4+6

2 Lift the top plate.

The top plate is wired to the operation panel When removing the plate, first lift the back of the top plate to avoid damaging the wiring.

3 Hold the top plate on edge and disconnect the control lead wires C and D from the cable clips A at left and right.

4 Detach the connectors of the lead wires C and D.

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5.3 PCB-D and PCB-H

1 Remove the screws D (3 pcs) from PCB-D.

2 Remove the screw D from PCB-H.

3 Remove the insulation sheet.

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4 Pull PCB-D upwards and release its securing hooks, one

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5.4 PCB-E and PCB-H

1 Remove the screws D (3 pcs) from PCB-E.

2 Remove the screw D from PCB-H.

3 Remove the insulation sheet.

4 Pull PCB-E upwards and release its securing hooks, one

by one.

5 Disconnect the control lead wire G from its connector to PCB-E.

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6 Disconnect the control lead wire G from its connector on PCB-H.

7 Disconnect the control lead wire D from its connector on PCB-H.

Assembly

Note the connecting side and masking side on the flat cable(Control lead wire G).

5.5 Key-tops

1 Panel sheet (left control panel side)

a Remove the panel sheet.

b Remove the screws C (2 pcs) which secure the top.

key-c Remove the key-top.

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