SERVICE MANUAL HOBS
Contents
1. Overflow protection If you press one or several buttons for more than 20 seconds the hob automatically changes over to the OFF condition Wrong connections If a 230 V hob is by error connected to 400 V a shrill beep goes off the wrong connection can be remedied within 10 minutes if the wrong connection is maintained for more than 10 minutes the electronic system will destroy itself to prevent risk of fire etc Changing the Hob to DEMO mode for trade shows exhibitions etc DEMO Mode activation Switch on main button wait then 30 sec for Service Mode start Press buttons VL front L H HL rear L H and Key Lock simultaneously not longer than 1 sec Release gt 1 beep gt then press the button o the rear R H display will show s Service Mode rear L H will show d Demo Mode Press button HL o Hob is now in DEMO Mode i e heating elements are not switched on otherwise the control panel can be used normally o This condition cannot be reset by network reset HV 844 N 12 02 A B 4 374298002 EN 4 5 6 DEMO Mode deactivation Switch on main button wait then 30 sec for Service Mode start Press buttons VL front L H HL rear L H and Key Lock simultaneously not longer than 1 sec Release 1 beep then press the button o Hob is now in Normal Mode TOUCH II Hob not working possible causes of error Function of sensor OK the function is ensured from a touch diameter of 12mm by the fi2. H Electrolux AEG Hausgerate GmbH Muggenhofer StraBe 135 D 90429 Nurnberg Germany Fax 49 0 911 323 1022 Spares Operation Edition 12 02 SERVICE MANUAL HOBS Touch Il Electronic information Publ Nr 599514902 685 EN Index Safety INSWUCHONS sss Helen 3 1 Function test by Service MOG na 4 2 Safety functions of the electronic System 2u0ssssssnennenennnnenennnneennnnennnnnnnn 4 3 Changing the Hob to DEMO mode for trade shows exhibitions etc 4 4 TOUCH II Hob not working possible causes Of error cscecceeeeeeeeeeeeeees 5 5 Calibration and or checking the pan detection unit sssssssreneenennrnnnesnre nnn 5 6 Switching off the automatic pan and three circuit detection 5 7 List of all possible alarms for all Touch Control units ccceessssseeeeeeeeeeees 6 HV 844 N 12 02 A B D 374298002 EN Safety instructions Attention In case of any interventions with this appliance pay attention to the safety specifications according to DIN VDE 0701 related to repairs resp VDE 0700 ICE 65 related to appliances Components according to IEC resp VDE guidelines In case of an exchange use only parts with the same specifications In case of controls which are provided with MOS modules use only parts with the same specifications Pay attention to the MOS instructions when handling MOS components Mechanical repa
3. he mains voltage Use the same pans which the Customer normally uses It is important that the pan is of the same size or larger than the heating element Switching off the automatic pan and three circuit detection Switch on the appliance Touch the desired cooking zone selection key Select a stage by using the or key Touch the key Three circuit zone roasting pan einf gen Symbol stay with your finger on the key and at the same time touch once again the cooking zone selection key of the desired cooking zone within 10 seconds An acoustic signal confirms your selection HV 844 N 12 02 A B 5 374298002 EN 7 List of all possible alarms for all Touch Control units Error code Error name Description Possible cause Remedy on display of error F12 ER_RELAIS Relay port not identical Short circuit in Exchange with copy relay excitation to control unit 5V or earth F16 ER_TGE_FREQ TGE Oscillator Short circuit or Eliminate the frequency break in the pan cause sensor or supply customer lines service F22 ER_KEY Key evaluation is faulty Short circuit or Exchange break in the field control unit of key evaluation F25 ER_SPG_HOCH Secondary tension of Control unit is Connect the power supply too high __ incorrectly correct mains primary gt 300 V connected voltage F26 ER_REL_SPNG Relay tension too high in Short circuit in Exchange switched off condition relay tension con
4. irs resp inspections of mechanical components may only be made in a voltage free condition HV 844 N 12 02 A B ae ee 374298002 EN 1 2 3 Function test by Service Mode Service Mode activation Switch on main button then 30 sec time for starting the Service Mode Press buttons VL front L H HL rear L H and Key Lock simultaneously not longer than 1 sec Release 1 beep then press the button o the display front L H will show s Service Mode rear L H will show d Demo Mode Press rear right button o Service Mode is automatically executed all LEDs lit all relays switch on off acoustic signal sounding o Hob automatically changing to normal mode You can use this test to test the relays each of the relays switches on off test LEDs and 7SA are all lit test the acoustic signal beeps Safety functions of the electronic system Automatic safety cut out the electronic system automatically switches the hotplate off after a certain time 1 6h 2 6h 3 5h 4 5h 5 4h 6 1 5h 7 1 5h 8 1 5h 9 1 5h depending on the cooking stage if you do not change the entire adjustment over the total duration Overheating protection The electronic system automatically switches off heating elements front L H and front R H when temperatures are exceeded until the hob has cooled down hotplates rear L H and rear R H will continue to work normally Such a condition cannot be reached in normal mode
5. nal testing in the works wrong connection 400 V electronic completely tied up you have to exchange the electronic unit error code when electronics are damaged shown in the 4 hotplate displays Fxx x 0 9 Prior to changing the electronic first test the following o heating element defect plugged connections on heating element defect wrong operation by Customer Safety function activated see 2 Hob by error in DEMO mode see 3 Relays LEDs beeper defect see 1 installation of electronic into the hob OK sealing profiles correctly seated are any plugs loose electronic correctly seated in plastic housing o0000o0 Calibration and or checking the pan detection unit switch on the mains voltage Simultaneously press buttons front L H and front R H and release them immediately if u is shown on all 4 plates you can start calibration cooking plates on right hand side First place the Customer s saucepan 145 and then Customer s saucepan rear R H 170 265 When both displayed u s have gone dark remove the saucepans cooking plates on left hand side First place the Customer s saucepan rear L H 145 and then Customer s saucepan front L H 210 When both displayed u s have gone dark remove the saucepans Pay attention to the display Always observe after calibration Disconnect the hob from the mains voltage for 1 minute switch off the fuse Then connect the hob again to t
6. trol unit nominal 0 volts control Persisting Permanent key Water on the Clean beep activation control unit glass above the switches off control unit Flashing Excess temperature on Hot saucepan is Wait until H control unit hotplates placed above the control is back near the control unit are control unit to normal switched off sealing to radiant temperature elements is damaged EEPROM Defekt Start of emergency Component is Exchange programme no pan defect control unit detection possible no more additional circuits active no halo light possible all hotplates are switched off in case of overtemperature F33 Permanent key Water on the Clean activation control unit glass above the switches off for Basic control unit TC F Overheating due Switch off to a too small appliance and pan for instance wait HV 844 N 12 02 A B 374 298 002 EN
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