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Siemens EH70650, Repair Instructions

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Siemens EH70650 Repair Instructions Download Page 57

 
 

206_58300000105199_ara_en_h – 15.03.a 

Seite 57 von 66 

7.5 

Coil check 

The inductor has no operational parts other than the NTC temperature 
sensor, wherefore it is not usually a source of breakdowns. 

 

Nevertheless, the procedure presented below can be followed: 

►

 

The inductor must be checked without power connected. 

►

 

Remove the mica sheet carefully so that it does not become 
damaged, and perform a visual inspection.  Check that there 
are no burned areas. 

►

 

Check the continuity of the inductor using a tester (<1 ohm). 

►

 

Replace the mica sheet, being careful not to damage it. 

 

Do not replace the inductor unless burned zones are observed or 
there is  no electrical conductivity. 

 

7.6 

Fan check 

►

 

Check to see if the fan is blocked. 

►

 

The working voltage is 24 VDC. 

►

 

It is possible to check the fan using an adequate direct 
voltage. 

The fan cannot be checked by measuring its resistance, given that it 
has a diode factory installed in its own electronics. 
 

Summary of Contents for EH70650

Page 1: ...SIC 22 4 10 Touch Control YL147 KOMFORT 24 4 11 Touch Control YL147 polibox 26 4 12 Touch Control YL160 Neff 29 4 13 Touch Control YL161 Twist Pad 32 4 14 IV induction connections 35 4 15 Plastic thread screws 36 4 16 Metric thread screws 36 5 FUNCTIONS 37 5 1 Powerboost function in Induction IV 37 5 2 Basic induction principles 38 5 3 Induction IV power control 39 5 4 Temperature control STC 40 5...

Page 2: ... 03 a Seite 2 von 66 7 8 ELIN induction module check 61 7 9 Normal operating noise 62 7 10 Difficult breakdowns 63 7 11 Mistake elin 439309 by pot detection 64 8 TECHNICAL SPECIFICATIONS 66 8 1 Technical data of the appliance 3I 66 ...

Page 3: ... The power supply cord can only be replaced by technical service personnel and using the replacement cable Special observations for induction appliances The induction appliances comply with all safety rules and electromagnetic compatibility rules in force People with pacemakers implanted must abstain from using or repairing this appliance It is possible that the appliance could interfere with oper...

Page 4: ...cs and all legal provisions that may be applicable in order to prevent personal injury All induction cooktops come equipped with a power cord One end is connected to the electronics boards while the other end has 6 wires grouped in pairs by pin terminals Depending on the type of connection one or more of the pin terminals must be eliminated in order to connect correctly Single phase connection L N...

Page 5: ...e installation manual must be respected There is additional information in the appliance manual and in the technical documentation The appliance must not be started up if any damage due to transport is observed 2 1 4 Characteristics of Induction IV appliances Pay special attention to the cooling inlets and outlets of induction appliances For installation over an oven as well as over a cabinet a se...

Page 6: ... front air exit for installations without an oven underneath It allows installation on 20 mm counters with cabinets and ventilated ovens manufactured by FMH Montañana It allows installation on 30 mm counters with ventilated ovens not manufactured by FMH with pyrolitic ovens 40 cm compact ovens and Nostalgia ovens The new Induction IV generation is not officially approved for installation with dish...

Page 7: ...level indicator on the display will blink The minimum diameter of the container must likewise be taken into account 3 1 2 Valid pots and pans Enamelled steel pots and pans Cast iron pots and pans Iron pans Stainless steel pots and pans as long as they have a special ferromagnetic base for induction 3 1 3 Pots and pans not valid for induction Non ferromagnetic or non metallic materials Aluminium po...

Page 8: ...oktop The warning or alarm lights are always connected Step Sound connection or disconnection 1 Connect the main switch of the cooktop 2 Put all heating elements at level 3 3 Disconnect the heating elements from right to left 4 Press the main sensor and hold for more than 5 seconds 5 After 4 seconds a beep is heard 6 The alarm sounds have now been activated or deactivated depending on the previous...

Page 9: ... thread screws 4 1 2 60 cm frame glass unit The glass ceramic forms a unit with the frame The bottom surface of the glass is not polished except where there are TC displays and where a fine layer of transparent silicone has been laid down in order to see better through the glass The TC together with the induction electronics is fastened to the cooktop base using clips and or screws The frame glass...

Page 10: ...the following elements Tabs 2 clips and holes 2 for fastening the induction electronics boards Tabs and clips for fastening the Touch Control board Mounts 2 and stubs 2 for fastening the fan by two screws Mounts 8 for fastening the inductor assemblies 2 suspended using springs Holes 12 around the perimeter of the part for fastening the frame glass unit using screws and pins for installation on rai...

Page 11: ... the induction electronics board and it is fastened to the base using a retention part and a screw The ends of the connection provide 6 wires grouped together in pairs using pin terminals Caution This connection can only be replaced by technical service personnel and only using an original replacement part ...

Page 12: ...ariable magnetic field The inductors contain two NTC sensors that measure the temperature of the inductor and protect it against excessive temperatures Moreover they serve to measure the temperature at which the residual heat indicators turn on The mica sheets serve as electrical insulation between the inductor and the glass These sheets are installed without glue wherefore they can be replaced in...

Page 13: ...residual heat indicators turn on The mica sheet serves as electrical insulation between the inductor and the glass This sheet is installed without glue wherefore it can be replaced in the event that it is damaged The inductor unit must be connected according to the schematic that is shown in the following images Caution It is vitally important that all connections be made with the correct polarity...

Page 14: ...206_58300000105199_ara_en_h 15 03 a Seite 14 von 66 4 5 2 Assembly Fastened to 4 mounts on the base using 4 spiral springs and connected to the ELIN IZDA electronics board ...

Page 15: ...rol board and the filter board The interior zone and the exterior zone are treated as two different cooking zones as regards the cabling Caution The ELIN IZDA board for the 280 dual element is identical to the one used in the 4I s but it incorporates different software and has a different material code The ELIN IZDA board also contains the only power supply source of the cooktop The induction elec...

Page 16: ...current that power the inductors It basically consists of a power rectifier and two inverters with series resonant half bridge topology Inverter control The inverter power devices are controlled by an integrated circuit especially designed by BSH This circuit communicates with the microprocessor and imposes the operating frequency of the inverter and is responsible for feeding back the output curr...

Page 17: ...connection DCHA CNT 5 Not used CNT 6 18 connection 21 volts CNT7 LIN connection TC FST 1 Line connection FST 5 Neutral connection FST 2 Ground connection FST 4 Inductor unit ground connection Interior blue internal inductor connection Interior transparent internal inductor connection Exterior transparent external inductor connection Exterior blue external inductor connection ...

Page 18: ...cti on fastons of the inductor unit ground Threaded connections for the ring lugs of the interior inductor Threaded connections for the ring lugs of the exterior inductor 3 GND 24 24V 4 TX GND GND 5 SEL NTC Inductor Not used by BSHI Not used To the right ELIN Not used To the right ELIN From TC From the power supply adapter To the inductor unit To the top coil To the bottom coil PIN CNT 1 CNT 2 CNT...

Page 19: ... and condensers that allow limiting the emission of conducted interference Inverter with two outputs The power inverter converts the alternating current of the power grid into the variable high frequency alternating current that powers the inductors It basically consists of a power rectifier and two inverters with series resonant half bridge topology Inverter control The inverter power devices are...

Page 20: ...ion CNT 3 NTC connection bottom inductor CNT 4 LIN connection IZDA CNT 5 Fan activation CNT 6 18 connection 21 volts CNT7 Not used FST 1 Line connection FST 5 Neutral connection FST 2 Ground connection FST 4 Inductor unit ground connection FST6 Top inductor connection FST8 Top inductor connection FST9 Bottom inductor connection FST10 Bottom inductor connection ...

Page 21: ...oil To the bottom coil PIN CNT 1 CNT 2 CNT 3 CNT 4 CNT5 CNT 6 CNT7 FST1 FST5 FST2 FST 4 FST6 FST8 FST9 FST10 1 NTC 5 NTC LIN VDC 21 V 2 GND 13 GND 5 GND 0 V Connection fastons from the power supply cord to the board Connec tion fastons of the power supply cord ground Ground connectio n fastons of the inductor unit Threaded connections for the ring lugs of the top inductor Threaded connections for ...

Page 22: ...s are located underneath these indicators Sensors from left to right in the YL 146 34 model 4i BO SI Main switch on off lock More and less zone 1 More and less zone 2 More and less zone 3 More and less zone 4 Sensors from left to right in the YL 146 31 4i 2i Ba and the YL 146 30 OLA Ba models More and less zone 1 More and less zone 2 Main switch on off lock More and less zone 3 More and less zone ...

Page 23: ... and less zone 1 2 Dual burner expansion More and less zone 3 More and less zone 4 The power levels are indicated by seven segment displays On off and other functions are indicated by indicator lights After connecting the cooktop the Stand by mode is displayed Only the main switch indicator and the residual heat indicators are turned on ...

Page 24: ...located underneath these indicators Sensors from left to right in the YL 147 35 4i BO SI and YL 147 73 4i polibox BO SI models Main switch on off lock Memory function sensor More and less zone 1 More and less zone 2 Activation sensor for timer function More and less zone 3 More and less zone 4 Sensors from left to right in the YL 147 31 4i Ba model Main switch on off lock More and less zone 1 More...

Page 25: ...l burner expansion More and less zone 1 More and less zone 2 Activation sensor for timer function More and less zone 3 More and less zone 4 The power levels are indicated by seven segment displays On off and other functions are indicated by indicator lights After connecting the cooktop the Stand by mode is displayed Only the main switch indicator and the residual heat indicators are turned on ...

Page 26: ...oktops with touch control have the control zone marked on the glass surface The capacitive sensors are located underneath these indicators Sensors from left to right in the YL 147 70 2i Ba STC Thcontrol superficie de mando para la función control de temperatura Rapid booster superficie de mando para la función Powerboost Auto auto mode superficie de mando para la función de precalentamiento rápido...

Page 27: ...ara la función control de temperatura Rapid booster superficie de mando para la función Powerboost Auto auto mode superficie de mando para la función de precalentamiento rápido Sensors from left to right in the YL 147 73 4i BO SI STC Thcontrol funtion temperature control Rapid booster funtion Powerboost Auto auto mode funtion quick heating ...

Page 28: ...ors from left to right in the YL 147 75 2i SI Bräter STC Thcontrol funtion temperature control Rapid booster funtion Powerboost Auto auto mode funtion quick heating The power levels are indicated by seven segment displays On off and other functions are indicated by indicator lights After connecting the cooktop the Stand by mode is displayed Only the main switch indicator and the residual heat indi...

Page 29: ...induction electronics boards by serial communications based on LIN protocol Local Interconnect Network The connection is made by a 4 wire cable There is another connection for the technical service connector Cooktops with touch control have the control zone marked on the glass surface The capacitive sensors are located underneath these indicators Sensors from left to right in the YL 160 30 2i Ne S...

Page 30: ...206_58300000105199_ara_en_h 15 03 a Seite 30 von 66 Sensors from left to right in the YL 160 32 3i Ne Sensors from left to right in the YL 160 33 4i Ne ...

Page 31: ... in the YL 160 34 4i Ne The power levels are indicated by seven segment displays On off and other functions are indicated by indicator lights After connecting the cooktop the Stand by mode is displayed Only the main switch indicator and the residual heat indicators are turned on ...

Page 32: ...he induction electronics boards by serial communications based on LIN protocol Local Interconnect Network The connection is made by a 4 wire cable There is another connection for the technical service connector Cooktops with touch control have the control zone marked on the glass surface The capacitive sensors are located underneath these indicators Sensors from left to right in the YL 161 40 4i N...

Page 33: ...206_58300000105199_ara_en_h 15 03 a Seite 33 von 66 Sensors from left to right in the YL 161 43 4i BO Sensors from left to right in the YL 161 44 3 iNe ...

Page 34: ...ensors from left to right in the YL 161 46 3i Ga The power levels are indicated by seven segment displays On off and other functions are indicated by indicator lights After connecting the cooktop the Stand by mode is displayed Only the main switch indicator and the residual heat indicators are turned on ...

Page 35: ...TC connection 4 wire patch cord connector that connects the TC with the induction modules and that powers the TC 4 14 3 ELIN IZDA ELIN DCHA board LIN connection This is a 4 wire connection that is used to communicate the right module with the TC and that powers the right module from the left module 4 14 4 TC PC diagnostic connection ...

Page 36: ...LIN IZDA board the ELIN DCHA board the fan the power supply cord to the retention device and the frame glass unit to the cooktop base 4 16 Metric thread screws This screw is only used to fasten the inductor terminals to the induction electronics boards There is also screws to fasten the inductor set to the holder ...

Page 37: ...te it after reaching power level 9 press the key for the corresponding zone and the display will show the letter P To deactivate this function either press the in order to return to level 9 or press the key to turn off the cooking zone The powerbooster function is available when only one of the inductors connected to a module is being used To the contrary the indicator P on the display will blink ...

Page 38: ...ognised by the magnet test Even though it is recommendable to use containers that fit the size of the cooking zone containers of a smaller diameter can be used without causing notable reductions of efficiency The cooktop control reduces the power delivered to small containers and if applicable stops supplying power when the container does not have the minimum required diameter 5 2 2 Operation The ...

Page 39: ...tainers The power grid voltage is too low less than 215 VAC After prolonged frying During intensive use of the cooktop In the last two cases the power recovers nominal power as soon as the temperature falls below the established limits 5 3 1 Power regulation in accordance with the radiator 5 3 2 Power regulation in accordance with the inductor 5 3 3 Power regulation in accordance with the power gr...

Page 40: ...es the coupling by always using a frequency of 35 kHz This evaluation is made during 600 ms and it is repeated every 6 seconds For the remaining 5 4 seconds the system applies the power necessary to keep the temperature at the level at which the STC function was activated Therefore depending on the quantity of the food the container and the temperature these power variations could be noted Attenti...

Page 41: ...n be fried SUGGESTIONS FOR TEMPERATURE CONTROL For boiling with the temperature control always use a lid in order to save energy The water does not boil correctly When boiling with the temperature control the water does not bubble as usual given that the temperature remains just below the boiling point The temperature is sufficient for boiling A long time passes before the dish is done The next ti...

Page 42: ...on press the and sensors at the same time until the corresponding illuminated signal of the desired zone comes on the display At that time the sensor can be pressed which displays the 10 minute pre selection or the sensor can be pressed which displays the 30 minute pre selection Then press the or sensors in order to reach the desired time The alarm function works similarly The selection is made on...

Page 43: ...porate an automatic container detection system included in the induction control Even though the minimum diameters may vary according to the material they are found at 50 of the nominal diameter When a container is considered to be small the induction control automatically reduces the power delivered in order to adapt to the container After activating the zone if a container is not positioned ther...

Page 44: ...sed 8 6 3 3 2 48 8 52 5 2 4 0 2 0 10 7 8 4 1 47 9 52 5 3 4 4 2 2 14 10 9 4 8 39 2 44 5 3 5 0 3 0 20 12 5 5 5 38 5 44 5 4 5 5 3 2 27 15 6 6 9 37 1 44 4 4 6 1 3 5 35 18 8 8 2 35 8 44 4 5 7 7 4 3 42 21 9 9 6 34 4 44 4 5 11 6 6 3 50 25 0 11 0 33 0 44 3 6 2 8 1 4 56 29 7 13 1 30 9 44 3 6 2 8 1 4 64 35 9 15 8 28 2 44 3 7 2 8 1 4 71 43 8 19 2 24 8 44 2 7 2 8 1 4 78 53 1 23 4 20 6 44 2 8 3 3 1 6 85 64 1 2...

Page 45: ... FST8 FST10 FST9 CNT3 CNT1 CNT4 CNT6 CNT6 CNT5 FST2 FST1 FST5 FST2 FST1 FST5 L1 N1 L2 N2 4 4 4 3 Cable entrada Ventilador Touch Control ELIN IZDA ELIN DCHA Conector Servicio técnico Ve Am Ve Am Az Ma Ne Bl Ve Am L N L N Tierra Tierra FST4 Az Transparent Az Transparent 2 5 3 4 Transparent 2 1 2 3 Transparent 3 FST4 Inductor doble Dibujo EXTERIOR Inductor E1 Inductor E1 NTC 1 Inductor E1 Inductor E3...

Page 46: ...ws that fasten the frame glass to the base Position the frame glass unit with the glass up 6 1 2 Assembly of the appliance Fasten the frame glass unit to the base using 12 screws Install the plate on the cooktop thereby taking care not to damage the installation pins Attention The power connections of the inductors are made using a ring lug and a metric thread screw Tighten the screw until the ter...

Page 47: ... 1 3 Solution The following should be considered The induction plates of BSH comply with all national and international legislation in force Under the least favourable conditions the contact current transmitted by the container is 5 3 mA much less than the limit of 40 mA This current is a measurement taken using a passive power grid described in legislation which simulates the impedance of the hum...

Page 48: ...ans that a service technician has available Nevertheless the voltage on the communication line can be measured when the TC is in the active mode The TC has a technical service program that allows displaying the various parameters 7 2 3 Service program Service program start a Entry procedure with minus key of cooking zone 2 all TCs except Neff or selection of cooking zone 2 Neff TC and Twistpad b E...

Page 49: ...the power key has to be selected to activate the Twistpad End of Service program After executing the service programs P0 P2 P8 and P9 the TC leaves the service mode and goes into stand by mode Time out after 120 sec Without operation the TC leaves the service mode and goes into stand by mode exception in P8 menu the time out acts after the whole life time course Step P0 Leaving the service mode Th...

Page 50: ...rance 4 Problem with the start key 9 Activation at the same time of some sensors Once allof the sensors have been checked and if theses ones work properly the program go automatically to the buzzer and displays checking For this the buzzer is activated for 2 sg and all the leds and segments are iluminated for 10 sg Step P2 Setting the defaults for the TC The P2 menu makes it possible to set the de...

Page 51: ...cooking zones used and the directions for the cooking zones are like four keys that come after the key on the left side of the knob Sensor Indication Description 1 Ej S 1 0 4 Software version e g V1 04 2 Ej o 0 0 0 Counter mains failure 400V 3 Ej t 0 0 0 Maximum selftemperature conversion required 4 Ej 0 0 0 0 Hour counter 6 digits in confort TC 5 Ej P 1 1 2 Part number 6 Ej r 0 0 0 Counter power ...

Page 52: ... the serial communication between the TC and induction electronics with the means that a service technician has available Nevertheless the voltage on the communication line can be measured when the TC is in the active mode The TC has a technical service program that allows displaying the various parameters 7 3 3 Service program Service program start a Entry procedure with minus key of cooking zone...

Page 53: ...es the service mode and goes into stand by mode exception in P8 menu the time out acts after the whole life time course Step P0 Leaving the service mode The P0 menu makes it possible to leave the service mode before time out To start the P0 menu any key except the power key has to be pressed After that the TC goes into stand by mode Step P1 Sensor test Display and buzzer test 5 To start the test i...

Page 54: ...tivated for 2 sg and all the leds and segments are iluminated for 10 sg Step P2 Setting the defaults for the TC The P2 menu makes it possible to set the defaults for the TC Fictitious residual heat indication H h deleted Data for Memory deleted set default Buzzer Off not set Reduced Key lock time not set Child lock not activated The steps are as follows 1 Press any key except power key 2 A Beep so...

Page 55: ...cooking zones used and the directions for the cooking zones are like four keys that come after the key on the left side of the knob Sensor Indication Description 1 Ej S 1 0 4 Software version e g V1 04 2 Ej o 0 0 0 Counter mains failure 400V 3 Ej t 0 0 0 Maximum selftemperature conversion required 4 Ej 0 0 0 0 Hour counter 6 digits in confort TC 5 Ej P 1 1 2 Part number 6 Ej r 0 0 0 Counter power ...

Page 56: ...o NTC sensors that protect the electronics from excessive temperatures These sensors cannot be replaced 7 4 3 Diagram and conversion table of the NTC sensor T in ºC R in ohms T in ºC R in ohms 10 19 873 26 9 573 11 18 946 27 9 166 12 18 069 28 8 779 13 17 237 29 8 410 14 16 447 30 8 059 15 15 699 31 7 725 16 14 988 32 7 406 17 14 314 33 7 101 18 13 674 34 6 811 19 13 066 35 6 535 20 12 488 36 6 27...

Page 57: ...become damaged and perform a visual inspection Check that there are no burned areas Check the continuity of the inductor using a tester 1 ohm Replace the mica sheet being careful not to damage it Do not replace the inductor unless burned zones are observed or there is no electrical conductivity 7 6 Fan check Check to see if the fan is blocked The working voltage is 24 VDC It is possible to check t...

Page 58: ...ity of possible errors Cause of the breakdown appliance components Error Description Burners Solution F0 There is no communication between the TC and the ELIN 2 or 4 1 Disconnect the cooktop from the power grid 2 Check the TC ELIN connection 3 If the failure continues replace the ELIN e0 ELIN failure a defective path NTC of ELIN open or short circuited damaged electronic component 2 Replace the EL...

Page 59: ...an divert the supplied voltage by 7 Disconnect the cooktop from the power grid The failure disappears when the incorrect voltage is corrected F8 F and 8 blink alternately on the display corresponding to the cooking zone if the maximum cooking time has been exceeded The times depend on the power level and go from 1 to 10 hours E E blinks alternately with the power level or the residual heat indicat...

Page 60: ...combination appliances When the knobs are switched off in touch control appear F0F0 without blinking This mistake can be solved connecting the knobs properly On connecting the appliance if the knob is not in zero position a zero blinks in touch control depending on the knob ...

Page 61: ...s between the legs of the IGBT s should be A 10 Kohm B 5 Kohm Check that the inductor construction screw has not been stripped If so replace the screw and if the thread problem is on the fixed part replace the complete module If in spite of the fact that all the preceding checks were negative the induction zones associated with this board still did not operate replace the board Check that the fuse...

Page 62: ...se is proper to the container It can change according to the quantity and type of food that is cooked Sharp whistling beeps They occur basically with containers composed of different layers of materials when two adjacent cooking zones are started up at the same time and at maximum power They disappear or attenuate when the power is reduced Intermittent clicks They are noises caused by the commutat...

Page 63: ...t proceed as follows Remove the connection between the right and left ELIN CNT4 and CNT4 In the event that the burners on the left do work replace the right ELIN If the failure persists change the touch control If it still does not work reinstall the original touch control and change the left ELIN 7 10 2 Fan failure After detecting a fan error e2 and subsequently replacing the fan if the error per...

Page 64: ...01 7 11 2 Cause of fault Unsuitable pot When these pots are put in a wrong position out of focus the outter inductor s ring detects the pot it mustn t be so and on increasing the power level the current increases and it causes the fault 7 11 3 Solution 1 Order the new spare part 448500 in order to change the old one In the new modules is avaliable a new safer version of software that protects the ...

Page 65: ...of the outter ring 280mm The red marked cable is replaced by a blue cable Then connect the two blue cables in the middle symmetrically Wrong polarity Right Polarity Accounting within of warranty period Operating time months Billing LA FKZ Failure code 1 Repair code 1 FA 2 F Ident no Autorized by 01 24 Working time Material 01 71 439309 FMH05 ...

Page 66: ... power 6800 W Power supply voltage 220 240 V Input current 28 33 30 91A Power supply frequency 50 60 Hz Operating frequency 20 50 Hz Weight 10 8 kg Number of induction elements 3 Nominal power burner 1 booster Inner 1700 2500 W Total 3400 W Nominal power burner 2 booster 1200 1800 W Nominal power burner 3 booster 2200 3300 W ...

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