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Siemens EH70650 Repair Instructions

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47
Fault Diagnostics
1
SAFETY ........................................................ 3
1.1
Safety observations ............................................................ 3
1.2
Repair observations ........................................................... 3
2
INSTALLATION ............................................ 4
2.1
Assembly instructions ....................................................... 4
3
OPERATION ................................................. 7
3.1
Induction cookware ............................................................ 7
3.2
Modification of the YL146/147/... TC alarm tones ............. 8
4
COMPONENTS ............................................ 9
4.1
4.2
4i-3i cooktop base ............................................................. 10
4.3
4I-3I power supply connection ......................................... 11
4.4
210 + 150 right inductor unit ............................................ 12
4.5
280 + 180 left inductor unit ............................................... 13
4.6
Fan ..................................................................................... 15
4.7
Left induction electronics (ELIN-left) .............................. 15
4.8
Right induction electronics (ELIN right) ......................... 19
4.9
Touch Control YL146 (BASIC) ......................................... 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
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Ind IV:3I
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
5.5
Fan activation .................................................................... 42
5.6
Timer and alarm function .................................................. 42
5.7
Memory function ................................................................ 43
5.8
Container detection ........................................................... 43
5.9
Touch Control Parameters ................................................ 44
5.10
Block diagram 3I TC 60 cm ............................................... 45
5.11
Autofocus ........................................................................... 45
6
REPAIR ....................................................... 46
6.1
4i, 60-cm IV Induction ........................................................ 46
7
FAULT DIAGNOSTICS ............................... 47
7.1
A container presents electric current .............................. 47
7.2
YL146/147 Touch Control Test ......................................... 48
7.3
Checking TouchControl YL160/161/ ................................ 52
7.4
NTC sensor check ............................................................. 56
7.5
Coil check ........................................................................... 57
7.6
Fan check ........................................................................... 57
7.7
Error indications shown on the TC .................................. 58

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  Summary of Contents for Siemens EH70650

  • Page 1: Table Of Contents

    Ind IV:3I 4.15 Plastic thread screws ............36 SAFETY ............3 4.16 Metric thread screws ............36 Safety observations ............3 FUNCTIONS ..........37 Repair observations ............3 Powerboost function in Induction IV ....... 37 INSTALLATION ..........4 Basic induction principles ..........38 Assembly instructions ............
  • Page 2 ELIN induction module check .......... 61 Normal operating noise ............ 62 7.10 Difficult breakdowns ............63 7.11 Mistake elin 439309 by pot detection ......64 TECHNICAL SPECIFICATIONS ....66 Technical data of the appliance 3I ........66 206_58300000105199_ara_en_h – 15.03.a Seite 2 von 66...

  • Page 3: Safety

    SAFETY Repair observations Safety observations Caution! Danger! Never try to repair by indiscriminately exchanging components. Proceed systematically, and consider the technical documentation of the appliance. All repairs must be performed by factory technical personnel. The electronics boards must not be repaired. They must be replaced All inadequate repairs may cause injury to users.

  • Page 4: Installation

    INSTALLATION Single phase connection Assembly instructions IMPORTANT! Induction cooktops can only be installed over ventilated ovens of brands from the group and over kitchen furniture. In the event that the cooktop is installed over un-ventilated ovens of our brands, or other brands, the cooktop control may reduce the A single phase connection is made by connecting the ground, phase power level and, if applicable, turn off one or more burners that may and neutral terminals in the corresponding places of the plug or jack.
  • Page 5 2.1.4 Characteristics of Induction IV appliances Connection to two phases with neutrals at a different voltage Pay special attention to the cooling inlets and outlets of induction appliances. For installation over an oven as well as over a cabinet, a separation of 20 mm from the wall or the back of the furniture must be left at the rear of the appliance in order to allow correction ventilation.
  • Page 6 The new generation of Induction IV cooktops improves the installation conditions of the previous generation in the following aspects: ► It does not require a 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).

  • Page 7: Operation

    Glass (“Pyrex”) containers. OPERATION Earthenware pans. Induction cookware 3.1.1 Overview All pots and pans with a ferromagnetic base are valid for induction. Only containers that have a base where a magnet remains adhered can be used. The induction system does not heat up other kinds of containers, and the power level indicator on the display will blink.

  • Page 8: Modification Of The Yl146/147

    Modification of the YL146/147/... TC alarm tones The user can, in accordance with the instructions for use, connect or disconnect the alarm sounds of the cooktop. The warning or alarm lights are always connected. Step Sound connection or disconnection Connect the main switch of the cooktop. Put all heating elements at level 3.

  • Page 9: Components

    where a fine layer of transparent silicone has been laid down in order COMPONENTS to see better through the glass. Components of the 3Ind IV, 60-cm cooktops The TC, together with the induction electronics, is fastened to the cooktop base using clips and/or screws. The frame-glass unit is fastened to the cooktop base using screws.

  • Page 10: 4I-3I Cooktop Base

    4i-3i cooktop base The following image shows the 4I cooktop base. All of the parts that Mounts (2) and stubs (2) for comprise the appliance are assembled on this part. fastening the fan by two screws. Mounts (8) for fastening the inductor assemblies (2), suspended using springs.

  • Page 11: 3I Power Supply Connection

    4I-3I power supply connection It supplies power to 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: 150 Right Inductor Unit

    210 + 150 right inductor unit 4.4.1 Overview The inductor unit contains the inductors corresponding to heating elements 3 and 4. It is fastened to the support base using four holes, where the 4 mounts of the support base are inserted. The inductors transform the high-frequency alternating current into a variable magnetic field.

  • Page 13: 280 + 180 Left Inductor Unit

    280 + 180 left inductor unit Caution! 4.5.1 Overview The 280/180 dual inductor is formed by two inductors: a 180-mm It is vitally important that all connections be made with the correct internal inductor and a 280-mm diameter external inductor. The two polarity in order to ensure the operation of the dual, 280-mm zone.
  • Page 14 4.5.2 Assembly Fastened to 4 mounts on the base using 4 spiral springs and connected to the ELIN-IZDA electronics board. 206_58300000105199_ara_en_h – 15.03.a Seite 14 von 66...

  • Page 15: Fan

    Left induction electronics (ELIN-left) 4.6.1 Overview 4.7.1 Overview The fan that is installed uses direct current (brush-less), and it The new induction electronics integrates all the electronic components contains electronic components in its interior. that are associated with the dual, 280-mm element and that, in the previous generation, were divided between the power board, the It is connected to the ELIN DCHA board by a 3-wire connection, with control board and the filter board.
  • Page 16 ► Interference filter. The induction electronics module is controlled by a microprocessor. This component communicates with the TC, thereby receiving the The interference filter consists of an assembly of coils and condensers power levels selected by the user, and it returns information on the that allow the emission of electromagnetic interference to be limited.
  • Page 17 4.7.4 Left ELIN connections CNT 1 NTC connection CNT 2 Microprocessor FLASH programming connection CNT 3 Not used CNT 4 LIN connection (-> DCHA) CNT 5 Not used CNT 6 +18 connection (21 volts) CNT7 LIN connection (TC->) FST 1 Line connection FST 5 Neutral connection...
  • Page 18 4.7.5 Position of the left ELIN connections To the To the From From the power To the To the top coil To the bottom Inductor used used right used right supply adapter inductor coil ELIN ELIN unit BSHI CNT 1 CNT 2 CNT 3 CNT 4...

  • Page 19: Right Induction Electronics (Elin Right)

    The power inverter converts the alternating current of the power grid Right induction electronics (ELIN right) into the variable high-frequency alternating current that powers the inductors. 4.8.1 Overview It basically consists of a power rectifier and two inverters with series- resonant half bridge topology.
  • Page 20 4.8.4 Right ELIN connections CNT 1 NTC connection, top inductor CNT 2 Microprocessor FLASH programming connection 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...
  • Page 21 4.8.5 Position of the right ELIN connections NTC, top NTC, From To the From From the power supply To the To the top To the bottom inductor used by bottom left left used cord inductor coil coil BSHI inductor ELIN ELIN unit CNT 1...

  • Page 22: Touch Control Yl146 (Basic)

    Touch Control YL146 (BASIC) 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). ►...
  • Page 23 Sensors, from left to right, in the YL 146-35 (3i BO) model: ► Main switch (on, off, lock). ► More 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.

  • Page 24: Touch Control Yl147 (Komfort)

    Sensors, from left to right, in the YL 147-31 (4i Ba) model: 4.10 Touch Control YL147 (KOMFORT) ► Main switch (on, off, lock) ► More and less, zone 1 ► More and less, zone 2 ► Activation sensor for timer function ►...
  • Page 25 Sensors, from left to right, in the YL 147-34 (2i BO/SI) and YL 147- 72 (2i polibox BO/SI) models: ► Main switch (on, off, lock) ► Memory function sensor ► Dual burner expansion ► More and less, zone 1 ► More and less, zone 2 ►...

  • Page 26: Touch Control Yl147 (Polibox)

    Sensors, from left to right, in the YL 147-71(4i Ba): 4.11 Touch Control YL147 (polibox) In induction cooktops, only the sensor and display board of the TC is used. The power supply is obtained from the induction modules. The TC board communicates with the induction electronics boards by serial communications based on LIN protocol (Local Interconnect Network).
  • Page 27 Sensors, from left to right, in the YL 147-72(2i BO/SI): Sensors, from left to right, in the YL 147-73(4i BO/SI) STC / Thcontrol = superficie de mando para la función control de temperatura. STC / Thcontrol = funtion temperature control Rapid / booster = superficie de mando para la función Powerboost Rapid / booster = funtion Powerboost Auto / auto mode = superficie de mando para la función de...
  • Page 28 Sensors, from left to right, in the YL 147-74(4i SI) Sensors, 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 STC / Thcontrol = funtion temperature control Rapid / booster = funtion Powerboost Auto / auto mode = funtion quick heating...

  • Page 29: Touch Control Yl160 (Neff)

    Sensors, from left to right, in the YL 160-31(4i Ne): 4.12 Touch Control YL160 (Neff) In induction cooktops, only the sensor and display board of the TC is used. The power supply is obtained from the induction modules. The TC board communicates with the induction electronics boards by serial communications based on LIN protocol (Local Interconnect Network).
  • Page 30 Sensors, from left to right, in the YL 160-32(3i Ne): Sensors, from left to right, in the YL 160-33(4i Ne) 206_58300000105199_ara_en_h – 15.03.a Seite 30 von 66...
  • Page 31 Sensors, from left to right, 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 206_58300000105199_ara_en_h –...

  • Page 32: Touch Control Yl161 ( Twist Pad)

    Sensors, from left to right, in the YL 161-41(4i Ne): 4.13 Touch Control YL161 ( Twist Pad) In induction cooktops, only the sensor and display board of the TC is used. The power supply is obtained from the induction modules. The TC board communicates with the induction electronics boards by serial communications based on LIN protocol (Local Interconnect Network).
  • Page 33 Sensors, from left to right, in the YL 161-43(4i BO): Sensors, from left to right, in the YL 161-44(3 iNe) 206_58300000105199_ara_en_h – 15.03.a Seite 33 von 66...
  • Page 34 Sensors, from left to right, in the YL 161-45(4i Ga) Sensors, 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 206_58300000105199_ara_en_h –...

  • Page 35: Induction Connections

    4.14.3 ELIN-IZDA ELIN-DCHA board LIN connection 4.14 IV induction connections 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 4.14.1 Left-right, +18 V connection module.

  • Page 36: Plastic Thread Screws

    4.15 Plastic thread screws 4.16 Metric thread screws This screw is used to fasten the ELIN IZDA board, the ELIN DCHA This screw is only used to fasten the inductor terminals to the board, the fan, the power supply cord to the retention device and the induction electronics boards.

  • Page 37: Functions

    FUNCTIONS Powerboost function in Induction IV The powerbooster function makes it possible to very quickly heat a container, thereby increasing power in the cooking zone by up to 150% (approximately) of the nominal power. After reaching the desired temperature, the user must deactivate the function.

  • Page 38: Basic Induction Principles

    Induction provides very precise control of the power levels, wherefore Basic induction principles it allows delicate recipes to be prepared. 5.2.1 Overview A temperature sensor under the glass is used in order to protect the The use of induction heating in glass-ceramic cooking devices has inductor, and it moreover allows detecting that an empty container is existed since 1987.

  • Page 39: Induction Iv Power Control

    Induction IV power control 5.3.2 Power regulation in accordance with the inductor The induction electronics incorporates power control in a closed loop Power that allows keeping the output power equal to the established reference power (shown in the TC description). 100% 100% However, it is possible for the cooktop to supply power below the...

  • Page 40: Temperature Control (Stc)

    Therefore, depending on the quantity of the food, the container and Temperature control (STC) the temperature, these power variations could be noted.. The STC allows the user to keep the temperature constant as from the instant that the user turns power on, without using additional Attention! temperature sensors.
  • Page 41 SUGGESTIONS FOR TEMPERATURE CONTROL 1. Position the pan. For boiling with the temperature control, always use a lid in order to 2. Heat the oil in the pan at cooking level 7. save energy. Verify that the pan is hot enough. Add a bit of bread crumbs to the oil The water does not boil When boiling with the temperature in the pan.

  • Page 42: Fan Activation

    Fan activation Timer and alarm function The timer function is included in all cooking zones. Velocidad Speed After selecting the appropriate power level, the cooking duration can be selected from 1 to 99 minutes, thereby using the Timer sensors. 100% 100% Once the selected cooking time elapses, the cooking zone will turn off automatically.

  • Page 43: Memory Function

    Memory function Container detection Some induction cooktops incorporate the memory function for all All the induction zones incorporate an automatic container detection cooking zones. system included in the induction control. Even though the minimum diameters may vary according to the material, they are found at 50% Basically, this function allows recording the preparation of a recipe so of the nominal diameter.

  • Page 44: Touch Control Parameters

    Touch Control Parameters OFF Time Maximum Level Automatic mode duration % s/Pmax Períod (s) Time (s) duration % s/Pmax Conv. Ind III Ind IV Ind. IV Conv. 50,4 49,6 Not used 48,8 47,9 10,9 39,2 12,5 38,5 15,6 37,1 18,8 35,8 21,9 34,4...

  • Page 45: Block Diagram 3I Tc 60 Cm

    5.10 Block diagram 3I TC 60 cm 5.11 Autofocus The 280-mm dual zone automatically detects the presence of a Cable Cable container with the adequate dimensions and connects the exterior entrada entrada element if necessary. The connection of this element is indicated by L1 N1 L1 N1 L1 N1...

  • Page 46: Repair

    REPAIR 4i, 60-cm IV Induction 6.1.1 Disassembly of the appliance: ► Remove the cooktop plate, thereby taking care not to damage the installation pins. ► Place the cooktop plate on the counter with the glass side down. Be careful not to damage it. ►...

  • Page 47: Fault Diagnostics

    FAULT DIAGNOSTICS Therefore, this voltage does not present any danger to the user. A container presents electric current 7.1.1 Description of the failure The customer feels a slight electric discharge when touching a container that is being heated by induction. 7.1.2 Cause ►...

  • Page 48: Yl146/147 Touch Control Test

    ► The Touch Control can be checked by performing a practical YL146/147 Touch Control Test check of all the sensors. ► It is not possible to test the serial communication between the 7.2.1 TC YL/146 TC and induction electronics with the means that a service technician has available.
  • Page 49 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).
  • Page 50 Step P1: Sensor-test&Display- and buzzer-test Step P2: Setting the defaults for the TC 1. To start the test in the P1 menu any key except the power key The P2 menu makes it possible to set the defaults for the TC has to be pressed.
  • Page 51 Step P7: Parameter output Step P8: Life-time test Some of these diagnostic and error- or state-counter functions write cells in This step is only for factory. the EEPROM. These functions can be disabled by an EEPROM-cell. The default value is enabled.

  • Page 52: Checking Touchcontrol Yl160/161

    ► The Touch Control can be checked by performing a practical Checking TouchControl YL160/161/ check of all the sensors. ► It is not possible to test the serial communication between the The checking are the same for Touch control, except for TC YL160 TC and induction electronics with the means that a service (Neff) and TC YL161 (Twistpad).
  • Page 53 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).
  • Page 54 Step P2: Setting the defaults for the TC Sensor too much sensitive The P2 menu makes it possible to set the defaults for the TC Out of tolerance • Fictitious residual-heat indication „H/h“ deleted. Problem with the start key • Data for Memory deleted, set default. Activation at the same time of some sensors.
  • Page 55 Step P7: Parameter output Step P8: Life-time test Some of these diagnostic and error- or state-counter functions write cells in This step is only for factory. the EEPROM. These functions can be disabled by an EEPROM-cell. The default value is enabled.

  • Page 56: Ntc Sensor Check

    NTC sensor check 7.4.1 NTC of the inductors T in ºC R in ohms T in ºC R in ohms 19,873 9,573 Each one of the inductors uses an NTC sensor for monitoring the operating temperature. The NTC sensor of the inductor is 18,946 9,166 interchangeable.

  • Page 57: Coil Check

    Coil check Fan check ► The inductor has no operational parts other than the NTC temperature Check to see if the fan is blocked. sensor, wherefore it is not usually a source of breakdowns. ► The working voltage is 24 VDC. Nevertheless, the procedure presented below can be followed: ►...

  • Page 58: Error Indications Shown On The Tc

    ► Cause of the breakdown: appliance components Error indications shown on the TC Error Description Burners Solution There is no communication 2 or 4 1. Disconnect the Attention! between the TC and the ELIN cooktop from the power grid. 2. Check the TC- ELIN Before making any repairs on the appliance, turn it off and then back connection...
  • Page 59 ► Cause of the breakdown: factors external to the appliance exceeded.The times depend on the power level and go from 1 to 10 hours. The error indication disappears when the external problem is solved and/or upon disconnecting the appliance from the power grid or after a “E”...
  • Page 60 7.7.3 Mistakes with 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: Elin Induction Module Check

    ► Check that the fuse path is intact. If it is open, the complete ELIN induction module check board must be replaced. ► This check must be performed with no power supplied. ► Perform a visual inspection, thereby paying close attention to burned components.

  • Page 62: Normal Operating Noise

    fan can also continue operating when the cooktop is turned off Normal operating noise after being used if the detected temperature continues to be Induction heating technology is based on the capacity that certain high. metal materials have to vibrate when they are subject to high frequency waves.

  • Page 63: Difficult Breakdowns

    7.10 Difficult breakdowns 7.10.1 The board does not respond, the TC does not turn on ► Verify that the board is receiving power. ► Check the connection between the touch control and the ELIN. ► If the preceding is correct, proceed as follows: Remove the connection between the right and left ELIN (CNT4 and CNT4).

  • Page 64: Mistake Elin 439309 By Pot Detection

    7.11 Mistake elin 439309 by pot detection 7.11.1 Symptom of defect There is repetitive failure with the left board (ELIN) with spare part number 439309. Concerned appliances: 3I Induction IV. FD from 8504 to 8510 2. Check the right polarity in the cable of the inductors. See 3ET815LP/01 EH706501E/01 PIK651Q01E/01...
  • Page 65 Caution! Connect the cables with the right polarity in order to ensure the right function 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:...

  • Page 66: Seite 1 Von

    TECHNICAL SPECIFICATIONS Technical data of the appliance 3I Maximum 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 Nominal power/burner 1 booster Inner 1700/2500 W Total...