Electrolux DOMINO with TIGER Service Manual Download

Page: 22 / 36

SOI 05.09 FV

22/36

599 71 58-20

5 - TROUBLESHOOTING

5.1 - THE HOB DOES NOT SWITCH ON

Check

Result/Display

Cause

Solution

Condition

More than 10Kohm
(correct resistance)

The thermal

switch for the

mains circuit

has been

tripped (no

current)

Power board faulty

Replace power

board

Measure the

resistance

across the BPL,

BPN and

EARTH 2

terminals on

the power

board (see

page 12)

Less than 10Kohm

(incorrect

resistance)

Check

connections on

terminal
jumpers

Terminal

jumpers

incorrectly

connected

Incorrect

connection

Connect

terminal
jumpers

correctly

Test the final
stages of the

power board

(see page 25)

Measurement of

final stages

incorrect

Power board faulty

Replace power

board.

The induction

zone does not

switch on (hob

switched off)

Incorrect mains

voltage to the

power board

Connect the

wiring correctly

Check for

mains voltage

to the power

board

One of the

connector wires

(pins 4 or 5 on the

board) is

disconnected

Terminal

jumpers correctly

connected

Wires correctly

connected on

power board

Check that the

connectors on

the wiring

between the

control board and

the power board

are correctly

fitted (BC02 –

BC4 or BC05 –

BC4).

Connection not

correct

False contacts on

connectors

Fit connectors

correctly

Connection correct

Summary of Contents for DOMINO with TIGER

Page 1: ... ã ELECTROLUX ITALIA S p A Corso Lino Zanussi 30 Publication number I 33080 PORCIA PN ITALY 599 71 58 20 Fax 39 0434 394096 SOI Edition 05 2009 Rev 00 EN SERVICE FV Built in hobs DOMINO MAGNETIC INDUCTION HOBS WITH TIGER CIRCUIT BOARD AND ROTARY CONTROLS ...

Page 2: ...SOI 05 09 FV 2 36 599 71 58 20 ...

Page 3: ... 6 COOKING ZONES HOTPLATES AND PAN DETECTION SYSTEM 16 3 6 1 TABLE OF HOTPLATES AND MINIMUM PAN DIAMETERS 16 3 7 COLIBRI CONTROL UNIT 17 3 7 1 CONTROL POTENTIOMETERS 18 4 TECHNICAL CHARACTERISTICS OF MAGNETIC INDUCTION HOB 19 4 1 TECHNICAL CHARACTERISTICS 19 4 1 1 POSITION OF HOTPLATES 19 4 1 2 TECHNICAL DATA HOB 19 4 2 CONTROL OF COOKING ZONES 20 4 3 SWITCHING ON THE HOTPLATES 21 4 4 ADJUSTING TH...

Page 4: ...ble for those of the cooking zones as described in chapters 2 3 and 2 4 The intensity of the magnetic field generated in the cooking area of the hob is within the limits laid down in current legislation however users of Pacemaker devices are advised to remain at a distance from the cooking area when in operation Do not place magnetic data storage devices floppy disks memory cards hard disks etc ne...

Page 5: ...f the potential takes place with semi conductor components i e components on a circuit board such as integrated circuits microprocessors etc Stabilization of the potential takes place across the internal structure of the semi conductor component This does not necessarily lead to the immediate destruction of the component subsequent malfunctions across damaged internal connections may be more harmf...

Page 6: ...ion grille in the kitchen There is no danger of scalding nor any worry about the possibility of having left the gas outlet on In addition the hob does not switch on unless there is a pan of sufficient dimensions on the hotplate zone Using this technology the method of cooking is very similar to that of a gas hob 1 Coil generating a high frequency magnetic field connected to electronic circuit 2 Th...

Page 7: ...the correct type the system will not detect the presence of the pan and will therefore not function Fig 3 illustrates an example of a pan specially built for use with magnetic induction hobs The table below shows the various materials used Fig 3 MATERIAL SUITABLE FOR INDUCTION COOKING Steel enamelled steel YES Cast iron YES Stainless steel IF STATED BY THE MANUFACTURER Aluminium copper brass NO Gl...

Page 8: ... the pan is too small for the size of the hotplate the system will measure an insufficient impedance and therefore will not detect the presence of the pan The system will not generate induction as if there were no pan on the hotplate see Fig 5 PAN TOO SMALL FOR HOTPLATE Fig 5 If the pan is too large for the hotplate the heat generated by induction will be insufficient for the quantity of mass to b...

Page 9: ...stem are as follows Power board installed inside a generator module known as TIGER including cooling fan Coils for generation of magnetic field one for each cooking zone NTC temperature sensors one for each cooking zone COLIBRÌ control unit with rotary controls 3 1 BLOCK CIRCUIT DIAGRAM Fig 7 BUS Communication BUS for communication between power board and control unit Heat Sink Heat dissipator for...

Page 10: ...and 140mm Each cooking zone also features the rapid heating function booster with a power higher than the normal operating power but with a limited operating time The module is cooled by a variable speed fan with a rotation detection device Fig 9 Fig 10 Fig 11 illustrates the connections for the induction module Fig 11 Electrolux part number Temperature sensor Main safety relay Power supply connec...

Page 11: ...n this way the module powers the control unit via the connector between the control unit and the power board BC3 CONFIGURATION OF INDUCTION MODULE TO POWER THE CONTROL UNIT Fig 12 3 2 2 CONNECTIONS TO THE COILS TWO ZONE VERSION The connections between the induction coils and the module which controls the two cooking zones are shown in fig 13 Fig 13 Connection to rear coil black Connection to front...

Page 12: ... CONTROL UNIT BC5 CONNECTOR FOR MODULE CONFIGURATION JUMPER BP06 FASTON MAIN PILOT LAMP BP09 FASTON MAIN PILOT LAMP BPL1 POWER SUPPLY LIVE BPL2 POWER SUPPLY LIVE BPN1 POWER SUPPLY NEUTRAL BPN2 POWER SUPPLY NEUTRAL BS1 CONNECTOR FOR COOLING FAN EARTH1 FASTON FOR FRAME EARTH EARTH2 FASTON FOR FRAME EARTH TAB1 FRONT COIL POWER SUPPLY TERMINAL BLACK TAB101 REAR COIL POWER SUPPLY TERMINAL BLACK TAB102 ...

Page 13: ...fig 16 and 17 It is necessary to place a layer of heat insulating material pos 3 fig 16 and 17 above the coil and then the NTC heat sensor and the aluminium locking tab pos 2 and 1 fig 16 and 17 3 3 1 140mm MAGNETIC INDUCTION COIL Fig 16 1 INSULATING LAYER IN MICA 2 ALUMINIUM LOCKING TAB FOR NTC SENSOR 3 HEAT INSULATING LAYER 4 NTC TEMPERATURE SENSOR 5 COIL ASSEMBLY 6 SUSPENSION SPRING 7 RED CONNE...

Page 14: ...ig 17 1 INSULATING LAYER IN MICA 2 ALUMINIUM LOCKING TAB FOR NTC SENSOR 3 HEAT INSULATING LAYER 4 NTC TEMPERATURE SENSOR 5 COIL ASSEMBLY 6 SUSPENSION SPRING 7 RED CONNECTOR CABLE FOR COIL POSITIVE 8 BLACK CONNECTOR CABLE FOR COIL NEGATIVE 9 CONNECTOR CABLE FOR NTC SENSOR ...

Page 15: ... does not switch on again automatically To utilize the cooking zone again it is necessary to wait until the temperature falls to below 150 C after which the cooking zone can be switched on again in the normal way i e using the control panel The system also features an automatic system which detects the presence and correct attachment of the connectors to the NTC sensors 3 5 BLOCK DIAGRAM OF HOB To...

Page 16: ... suitable for that of the cooking zone If the pan is too small thus with a low inductance it will not be detected by the system Each cooking zone requires the use of pans with different minimum diameters see table below Fig 19 1 REAR HOTPLATE Ø180 mm 2 FRONT HOTPLATE Ø140 mm 3 COLIBRI CONTROL UNIT 3 6 1 TABLE OF HOTPLATES AND MINIMUM PAN DIAMETERS The table below lists the minimum pan diameters fo...

Page 17: ... BC01 TO POWER MODULE 2 CONNECTOR BC02 NOT USED 3 LEDS 4 DISPLAY 5 CONNECTOR BK01 TO FRONT HOTPLATE POTENTIOMETER 6 CONNECTOR BP02 FOR PROGRAMMING 7 CONNECTOR BP01 FOR PROGRAMMING 8 CONNECTOR BK02 TO REAR HOTPLATE POTENTIOMETER 9 BUZZER N B In this specific application the DISPLAYS and the LEDS are hidden beneath the worktop surround Power board connectors MACS Rotary control connector front cooki...

Page 18: ...sed to select a power level by turning the knob clockwise Each potentiometer transmits a different resistive value to the power board these resistive values correspond to the various power levels for the hotplate ANGLE OF ROTATION Fig 22 Fig 23 ELECTRICAL CONTACTS CIRCUIT DIAGRAM Fig 24 Fig 25 ...

Page 19: ...4 1 1 POSITION OF HOTPLATES Fig 26 1 REAR HOTPLATE Ø180 mm 2 FRONT HOTPLATE Ø140 mm 3 CONTROL INTERFACE ZONE 4 1 2 TECHNICAL DATA HOB VOLTAGE V 220 230 POWER ABSORPTION PRE HEATING W 2 MAXIMUM POWER ABSORPTION KW 3 2 MAXIMUM POWER Ø140 mm HOTPLATE KW 1 4 MAXIMUM POWER Ø180 mm HOTPLATE KW 1 8 HOTPLATE POWER LEVELS N 9 ...

Page 20: ... in turn control the potentiometers connected to the control board Each hotplate is controlled by a separate knob POSITIONS OF HOTPLATES Fig 27 1 REAR HOTPLATE Ø180 mm 2 FRONT HOTPLATE Ø140 mm 3 ON PILOT LAMP 4 HOTPLATE CONTROL KNOBS HOTPLATE CONTROL KNOBS Fig 28 1 REAR HOTPLATE Ø180 mm 2 FRONT HOTPLATE Ø140 mm ...

Page 21: ...CHING OFF THE INDUCTION HOTPLATES If the temperature rises excessively e g a pan containing food that is becoming burnt the hotplate will switch off automatically and the buzzer will sound Before re using the hotplate it is necessary to set the power to 0 and wait until the hotplate cools If the pan being used is not suitable e g of the correct type and size for the hotplate the buzzer will sound ...

Page 22: ...onnect terminal jumpers correctly Test the final stages of the power board see page 25 Measurement of final stages incorrect Power board faulty Replace power board The induction zone does not switch on hob switched off Incorrect mains voltage to the power board Connect the wiring correctly Check for mains voltage to the power board One of the connector wires pins 4 or 5 on the board is disconnecte...

Page 23: ...oard and the power board 1 Check Result Display Cause Solution Condition Hob remains switched off Test the final stages of the power board see page 25 Measurement incorrect Power board faulty Replace power board Measurement correct Control board faulty Replace control board ...

Page 24: ...ize The power is too low and cooking times are too long indications on display normal Check the type and shape of the pan The pan is detected but the level of energy transfer from coil to pan is low Use a pan of suitable type shape and size The pan is not suitable or the bottom is concavely shaped The hob switches on but the controls for the individual hotplates do not function Check whether the c...

Page 25: ...ard must be replaced Fig 30 Control Result Display Cause Solution Condition The buzzer does not sound Control board faulty Replace control board An individual display does not light lights partially or flickers Control board faulty Replace control board The pan emits a noise Check the type and shape of the pan Noise is generated by interference between the high frequency signal and the pan Use a p...

Page 26: ...OR THE HOTPLATES In case of doubt regarding the operation of the NTC sensors their resistance should be measured see fig 31 The correct resistance is approximately 100 kΩ at room temperature 25 C approx Fig 31 1 NTC SENSOR CONNECTOR 2 CONNECTOR CABLE 3 NTC SENSOR ...

Page 27: ...the ceramic glass top 1 Remove the hob from the recess 2 Remove the four screws two on left side two on right 3 Raise the top see Fig 33 and 34 Fig 33 1 MICA INSULATING LAYER REAR HOTPLATE 2 REAR INDUCTION COIL ASSEMBLY 3 MICA INSULATING LAYER FRONT HOTPLATE 4 FRONT INDUCTION COIL ASSEMBLY 5 COLIBRÌ CONTROL BOARD 6 GLASS TOP WITH SURROUND 7 BRACKET FOR FIXING SCREWS 8 CONTROL POTENTIOMETER ...

Page 28: ...G CLIP 3 FRONT MICA RETAINING CLIP 4 MICA INSULATING LAYER FRONT HOTPLATE 5 REAR MICA RETAINING CLIP 6 FRONT MICA RETAINING CLIP 4 Remove the retaining clips and remove the mica insulating layer see Figg 34 and 35 Fig 35 1 MICA INSULATING LAYER 2 REAR MICA RETAINING CLIP 3 FRONT MICA RETAINING CLIP ...

Page 29: ... COIL 6 2 REMOVING THE INDUCTION COILS AND THE NTC SENSORS To remove the induction coil assembly and the NTC sensor first remove the ceramic glass top Then 1 Detach the retaining spring which secures the NTC thermal protector see fig 37 Fig 37 1 INSULATING LAYER 2 SPRING CLIP FOR NTC THERMAL PROTECTOR 3 STANDARD FLAT SCREWDRIVER ...

Page 30: ...insulating disk Fig 38 1 INSULATING LAYER 2 INDUCTION COIL 3 INDUCTION COIL ASSEMBLY Fig 39 1 REAR INDUCTION COIL 2 NTC THERMAL PROTECTOR REAR COIL 3 FRONT INDUCTION COIL 4 NTC THERMAL PROTECTOR FRONT COIL 3 Lift the coil assembly from its housing ...

Page 31: ...CTION TO INDUCTION COILS Fig 41 1 POWER BOARD MODULE 2 POWER CABLE BLACK TO REAR INDUCTION COIL 3 POWER CABLE RED TO REAR INDUCTION COIL 4 POWER CABLE BLACK TO FRONT INDUCTION COIL 5 POWER CABLE RED TO FRONT INDUCTION COIL 6 CONTROL BOARD 6 2 3 REMOVING THE SUSPENSION SPRINGS To remove the suspension springs from the coil assemblies slide the spring clip and remove from the lower side of the coil ...

Page 32: ...ule proceed as follows 1 Remove the ceramic glass top 2 Remove the induction coil assemblies see Section 6 2 3 Detach the connectors 4 Straighten out the anchor tabs two on the right two on the left see Fig 43 e 44 Fig 43 1 POWER BOARD MODULE 2 ANCHOR TABS Fig 44 1 ANCHOR TABS 2 POWER BOARD MODULE ...

Page 33: ...Fig 45 Fig 45 1 NTC SENSOR CONNECTOR CABLE 2 NTC SENSOR CONNECTOR 3 POWER BOARD MODULE 5 Detach the NTC sensor see Fig 46 Fig 46 1 NTC SENSOR 2 INDUCTION COIL ASSEMBLY 6 Detach the power cables from the induction coil see section 6 2 2 7 Remove the induction coil assembly ...

Page 34: ... the board see fig 47 3 Detach the control unit board from the plastic spring clips see fig 48 4 Lift the board and remove Fig 47 1 INDUCTION COIL ASSEMBLY 2 COLIBRÌ CONTROL UNIT BOARD 3 CONNECTOR FROM CONTROL BOARD TO POWER BOARD 4 CONNECTOR FOR FRONT HOTPLATE POTENTIOMETER 5 CONNECTOR FOR REAR HOTPLATE POTENTIOMETER Fig 48 1 COLIBRÌ CONTROL UNIT BOARD 2 PLASTIC SPRING CLIPS ...

Page 35: ... the knob from the spindle see fig 49 2 Remove the glass top Fig 49 3 Remove the two screws from the lower part of the panel and remove the control panel itself see Fig 50 Fig 50 1 POTENTIOMETER KNOB SPINDLES 2 SCREWS 4 Detach the potentiometer connectors Fig 51 1 GLASS CERAMIC TOP 2 BRACKET FOR FIXING SCREWS 3 CONTROL POTENTIOMETER ...

Page 36: ...SOI 05 09 FV 36 36 599 71 58 20 7 CIRCUIT DIAGRAM ...

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