Küppersbusch EKDG 6800.0, Service Manual

Page 1: ... z Dk y c _ NPHHFHDOM c _ NPHHFHDOM ...

Page 2: ...ervice Manual H3 72 01 Responsible D Rutz KÜPPERSBUSCH HAUSGERÄTE AG Email dieter rutz kueppersbusch de Tel 0209 401 733 Kundendienst Fax 0209 401 743 Postfach 100 132 Date 20 10 2003 45801 Gelsenkirchen ...

Page 3: ... 23 5 3 Descale 24 5 4 Water system 26 5 5 Automatic altitude adjustment 28 5 6 Floor heater 140 W with protection against an excessive rise in temperature 29 5 7 Recognising a steam leak with the climatic sensor 30 5 8 Fan follow on time and steam dissipation 30 5 9 Slide with a magnetic lifting cylinder 31 5 10 Electric connecting box 32 5 11 Removing the guide rack 33 6 Modifications to the ele...

Page 4: ...istance must not exceed that specified in the standard It is of vital importance for ensuring the safety of people and the functioning of the appliance On completion of repairs an inspection must be carried out in accordance with VDE 0701 Association of German Electrical Engineers or the corresponding regulations for your country On completion of repairs a function and impermeability inspection mu...

Page 5: ...t any extra effort The steam cooker provides excellent possibilities in combination with the ökotherm cooker or oven It is particularly when meat is being cooked that the oven becomes dirty due to squirting juices Dirt which has become dried can be removed more easily if the cooker prior to cleaning is operated with the steam cooking mode at a temperature of 100 C for approximately 30 minutes thus...

Page 6: ...inute minder Roast thermometer with a temperature setting and display Green display indicators Glide rack and oven door removable Oven lighting 2 3 Features Depressurised steam 40 C 100 C Hot air 30 C 230 C Regeneration 100 C 130 C Baking like professionals 230 C Hot air with steam vapours 230 C Defrosting No water connection required Water tank for approx 2 hours of uninterrupted steam operation ...

Page 7: ...f the connecting wire may only be carried out by a qualified electrician under observance of the relevant regulations Should the plug not be accessible subsequent to installation a universal disconnection device with a contact clearance of at least 3 mm must be available at the installation point in order to fulfil relevant safety regulations The built in cupboard for the combi steam cooker must b...

Page 8: ...plug must be turned Should this not be possible a qualified electrician must exchange the zero conductor and the terminal wire in the socket Push the appliance right into the unit niche On doing so make sure that the appliance connection is not squeezed Attaching the appliance Open the oven door and screw the appliance to the kitchen unit with the screws supplied screw them in at an angle from the...

Page 9: ...ittings and operation of the EKDG 6800 0 4 1 Appliance structure 4 2 Display and control elements 1 2 5 6 7 8 4 1 water tank 2 swivel arm 3 steam generator 4 steam 5 limestone sensor 6 hot air 7 oven 8 climatic sensor Emptying Induction 3 ...

Page 10: ...r tank EAT Start not possible Food sensor not inserted Time not set on selecting switch off time Time set rejected due to activated switch off time Short single acoustic signal Required oven temperature for hot air mode reached Short interrupted acoustic signal up to a max of 1 min Timer time expired Long interrupted acoustic signal up to a max of 1 min End of operation reached Required core tempe...

Page 11: ...e steam is generated limestone deposits are formed in the appliance irrespective of the degree of hardness of local water A system in the appliance automatically recognises when descaling becomes necessary In the clear text display descale is indicated Suitable descaling agent A standard commercial descaling agent on a sulfamic acid basis or citric acid basis should be used for descaling Display i...

Page 12: ...o the oven from an external steam generator At the same time hot air facilitates the heating up process of the appliance The steam operational mode is suitable for cooking any type of vegetable as well as for steaming meat with the addition of liquid stock for steaming rice cereal products pulses and fish at approx 80 C 4 5 1 Program sequence 1 Filling in water 2 Altitude adjustment 3 Continued he...

Page 13: ... is heated up with the evaporator heater operating at full power If during a certain period of time the temperature sensor on measuring the water temperature in the steam generator does not register any change in temperature this temperature will be taken as the maximum possible water temperature and therefore also as the maximum possible steam temperature 3 Heating with hot air and steam continue...

Page 14: ...immediately the steam dissipation time is greatly reduced At the same time the supply air flap and the vent flap are opened This extracts the steam from the oven mixes it with air and transports it through an air duct into the room The process of emptying commences after steam has been dissipated 6 Emptying Emptying the evaporator is carried out in the following steps Firstly a check is made to en...

Page 15: ... Hot air OFF ON Evaporator heater ON OFF Floor heater ON OFF Time Steam Hot air Operating time Temperature Time Time Time Supply air and vent flap open closed Speed of ventilator fan max OFF Hot air fan ON OFF Altitude adjustment finished Initial actuation climatic sensor heater ...

Page 16: ...n at full power The recommended oven temperature or the self set oven temperature mean that the hot air heater is regulated by an oven temperature sensor range 100 C to 150 C During the heating process with hot air the evaporator heater is also operated However due to fuse protection 16 A 230 V it heats at a reduced power level The climatic sensor interrupts the production of steam if the steam te...

Page 17: ...re Hot air heater OFF ON Evaporator heater ON OFF Floor heater ON OFF Time Steam Hot air Temperature Time Time Time Supply air and vent flap open closed Speed of ventilator fan max OFF Hot air fan ON OFF Altitude adjustment finished Initial actuation climatic sensor Operating time ...

Page 18: ...air and steam continued steam heating steam phase Subsequent to altitude adjustment the hot air heater will be switched on at full power When the hot air heater is switched on the power of the evaporator heater is automatically reduced in order not to exceed the fuse protected power supply of the single phase appliance operation During the steam phase the hot air heater heats up the oven to a cert...

Page 19: ...ried out when the hot air phase has been completed Emptying the evaporator is carried out in the following steps Firstly a check is made to ensure that the water tank has been installed The process of emptying will not be carried out should this not be the case During the process of emptying the clear text display indicates water is being pumped off Irrespective of the water level the supply pump ...

Page 20: ...air heater OFF ON Evaporator heater ON OFF Floor heater ON OFF Time Steam Hot air Temperature Time Time Time Supply air and vent flap open closed Speed of ventilator fan max OFF Hot air fan ON OFF Altitude adjustment finished Initial actuation climatic sensor Operating time Cutoff time lag ...

Page 21: ...emperature is maintained by means of a regulating cycle which switches the hot air heater on and off respectively The hot air heater and the hot air fan are switched off once the OFF button has been pressed or when the operation time has expired The clear text display indicates residual heat until the temperature falls below a certain level The ventilator fan also runs for this period of time 4 9 ...

Page 22: ...ting cycle which switches the hot air heater on and off respectively 4 Steam vaporising Steam vapours enable an individual supply of steam into the oven in order to improve cooking and baking results It is only possible to vaporise once the oven has been heated up to the pre set temperature The process of vaporising can then be manually activated or inactivated by means of the OK button When the p...

Page 23: ... the clear text display gives an indication the permissible maximum degree of scaling must have been exceeded for some time 5 times or approx 200 operating hours 5 2 Level sensor point gauge Scaling initially primarily at the top of the level sensor lowers the gauged conductance level of the water Scaling is tolerated up to a maximum degree of conductance Until the clear text display gives an indi...

Page 24: ...t this temperature for some time After which the evaporator is emptied until the level recognition is actuated with a certain follow on period The first rinse is carried out in the following steps The water tank must be removed emptied and filled with fresh water up to the MAX mark and then reinstalled On doing so unauthorised utilisation is secured against by means of a minimum period of 5 second...

Page 25: ...rinsing phases have been fully implemented In the event of a power cut during the descaling process the descaling program will be repeated or will continue with operation from the procedure step Descale 1 or 2 Rinse in which the power was cut off In addition all of the indications apart from the time will be deleted The time blinks at 12 00 Attention Modification from 2003 on There are three new s...

Page 26: ...26 H3 72 01 For internal use only 5 4 Water system Ignition solenoid Water tank 1 25 litres ...

Page 27: ...he discharge pump is also regulated by means of level recognition by the level sensor and a certain follow on time Should emptying of the evaporator not be carried out within this maximum period of time two more attempts will be made Should it still not be possible to pump off water the clear text display will indicate contact F8 service emptying faulty An essential marginal condition for pumping ...

Page 28: ...r Altitude adjustment is carried out in the following steps The water in the evaporator is heated up with the evaporator heater operating at full power If during a certain period of time and for the purpose of measuring the temperature in the steam generator the temperature sensor does not register any change in temperature this temperature will be taken as the maximum possible water temperature a...

Page 29: ... switched on at full power after a certain delay Should the door of the oven be opened during a cooking mode the floor heater will commence heating at a reduced rate The heater only works at full power again after a certain delay subsequent to initial actuation of the climatic sensor The floor heater is equipped with a cutoff time lag which reacts to non actuation of the climatic sensor by switchi...

Page 30: ...the climatic sensor is determined Should this reading fall below a certain reading the F9 fault indication contact service steam leakage monitor actuated will be shown on the clear text display 5 8 Fan follow on time and steam dissipation By means of air circulation the temperature regulated follow on time of the ventilator fan serves the purpose of achieving a certain drying effect in the oven an...

Page 31: ...linder Please note On steaming inlet air and outgoing air of the oven are closed PT 500 12 V transformer for the water Transformer print K2 8310 Excessive rise in temperature E3 Drain pump Hot air heater Protection against an excessive rise in oven temperature pump return ...

Page 32: ...kdown Press Baking like professionals Regenerating Hot air Hot air with steam vapours on opening the door the watertank must be filled up all heaters off hot air fan off steam phase all heaters off hot air fan on hot air phase hot air heater and fan off all heaters off hot air fan off hot air heaters and hot air fan off should Trequired 100 C all heaters off hot air fan off flaps open 2 windings o...

Page 33: ...sible to reduce the water temperature down to a certain level At the end of time regulated operation settings such as operating mode oven temperature and core temperature are maintained on standby for 3 minutes software so that it is possible to extend the cooking time individually In the case of baking like professionals only the hot air phase is extended After the standby time has lapsed the app...

Page 34: ...to the process data will also have an effect on the packaged circuit index Identification is carried out by means of an adhesive plate or a stamp In the service test mode it will not be possible to see the version b The software version indicates the software version that has been permanently burnt into the micro controller Identification is carried out by means of lettering on the micro controlle...

Page 35: ...ailable as of approx July 2003 Changes in comparison to the previous model a Hardware has been modified electricity for the slider motor has once again been raised from 110mA to 160mA Software versions K2 8469 0 Available as of approx Dec 2002 Series installation K2 8469 01 Available as of approx March 2003 Changes in comparison to the previous model a Floor heating is switched on during the proce...

Page 36: ...ke U and F fault messages is not indicated Acknowledging an A alarm message A alarm messages can always be acknowledged by pressing any button Should the fault still occur the next procedure will be followed by a renewed alarm message F fault messages indicate defects which can usually only be rectified by the KÜPPERSBUSCH customer service and which would put the appliance out of working order if ...

Page 37: ...ved F fault messages A alarm messages self resetting The fault message will be independently reset by the appliance controls once there is no longer any reason for the fault to occur U fault messages reference messages 7 1 Overview of reference messages Reference message on the display Description Insert the water tank There is no water tank or it has been incorrectly inserted Fill up with water T...

Page 38: ...ure gauge defect NTC F 4 Heating spiral temperature gauge defect NTC F 5 Data security EEPROM defect F 7 Boiler heater defect F 8 Emptying defect F 9 Steam leakage monitor actuated Fault Description F 0 Oven temperature gauge defect Pt500 F 1 Food temperature gauge defect NTC F 2 Water temperature gauge defect NTC F 3 Air temperature gauge defect NTC F 4 Motor current F 5 Data security EEPROM defe...

Page 39: ...t transport sufficiently swivel arm hose blocked or crushed Note signal only after 5 occurrences 2 Water insufficiently conductive demineralised water used 3 Insulation layer on the pin unsuitable descaler used or residues F0 Resistance of the oven temperature gauge Pt500 beyond the permissible range 1 Short in the oven temperature gauge interruption 2 Faulty wiring interruption short circuit loos...

Page 40: ...t react probe plug dirty etc 4 Calculator defect relay etc F8 Water resistance remains low although water is being pumped off level pin remains conductive 1 Discharge pump transports insufficiently tube blocked or crushed 2 Level pin wiring short circuit 3 Foam in the evaporator casing unsuitable descaling agent 4 Calculator defect possibly as a result of moisture F9 Air temperature does not rise ...

Page 41: ...y The power supply is only monitored when the appliance has been RESET for example after a power cut In the case of a connection error the fault is indicated accordingly and the appliance will not work If individual half waves are interrupted power failure the EEPROM data storage will be write protected Please note The entire system of voltage monitoring resets itself i e as soon as there is no lo...

Page 42: ...hed off and one of the U1 to U4 fault messages depending on the cause of the fault is indicated on the display The controls remain blocked until the power supply is in order self resetting or until the appliance has been disconnected from the power supply and the fault has been rectified In order to be able to recognise power cuts at an early stage the power supply of the terminal wire L1 is check...

Page 43: ... an indication of a resistance short circuit or if it is higher than 1500 200 s metre reading 1500 means a resistance interruption the error message F0 will be indicated on the display In the event of a fault the appliance control system switches off all of the actuators and switches over to fault mode It is not possible to start up a program until the fault has been rectified Please note The stab...

Page 44: ...checked is taken in the appliance software over 16 readings In the event of a fault the appliance control system switches off all of the actuators and switches over to fault mode It is not possible to start a procedure with a food sensor inserted until the fault has been rectified or the food sensor has been removed Please note The stability of the temperature sensor characteristic is guaranteed b...

Page 45: ...from 25 to 85 C sensor fully immersed in liquid in this case 50 mm test immersion depth 7 5 4 Water temperature sensor Gauging the water temperature is monitored for sensor short cuts and sensor interruptions In the case of a malfunction an error is indicated Fault mechanisms As soon as the output voltage of the temperature sensor wiring is below approx 0 2 V binary data 10 means a sensor short ci...

Page 46: ...r as soon as the voltage exceeds approx 4 9 V binary data 252 means a sensor interruption the display will indicate an F3 fault The mean value of the binary data checked is taken in the appliance software over 16 readings In the event of a fault the appliance control system switches off all of the actuators and switches over to fault mode It is not possible to start up a program until the fault ha...

Page 47: ...nk is empty and will indicate fill up with water When the user fills up with water and presses the OK button the boiler will be filled until it overflows and the water will seep into the oven If during standby operation or after a program has been completed the level pin still recognizes water the emptying function of the monitoring system will pump the reamining water out of the boiler The indica...

Page 48: ...hin a period of approx 6 minutes and if it has not reached a temperature of at least 88 C an F7 fault is indicated In the event of a fault the appliance control system switches off all of the actuators and switches over to fault mode The fault can be acknowledged with any button It will occur again during the next steam operation mode if the fault is not rectified Possible causes of faults Heater ...

Page 49: ...ecognises water the display will indicate an F8 fault In the event of a fault the appliance control system switches off all of the actuators and switches over to fault mode The fault can be acknowledged with any button It will however re occur if the cause of the fault is not rectified Please note The process of emptying is influenced by process parameters of the systems function Empty stipulated ...

Page 50: ... measured fluctuates quite greatly if there is no steam leakage In the event of a fault the appliance control system switches off all of the actuators and switches over to fault mode The fault can be acknowledged with any button It will however re occur if the cause of the fault is not rectified Please note The process of monitoring steam leakages is influenced by process parameters stipulated in ...

Page 51: ...ature are compared Should the heater spiral temperature be higher by a certain level EEPROM parameter the boiler will be recognised as being scaled The boiler is also considered to be scaled if subsequent to initial filling of the boiler the conductance of the water shortly before altitude adjustment is above a certain level water level pin scaled EEPROM value If the boiler has been recognized as ...

Page 52: ...52 H3 72 01 For internal use only 8 1 EKDG 6800 0 Calculator K2 8320 Control unit K2 8300 Display VFD ...

Page 53: ...H3 72 01 53 For internal use only 8 2 EKDG 6800 9 75 ...

Page 54: ...rmer print Ablaufpumpe Drain pump Einlaufpumpe Inflow pump Garraum Beleuchtung Oven lighting Heizung Bodenmatte Floor heater Übertemperatur Over temperature Lüfterklappe Zuluft Abluft Inlet air outgoing air ventilation flap Heissluftventilator Hot air fan Heizung Heissluft Hot air heater Abluftventilator Outgoing air fan Türkontakt Door contact Wasserbehälter Water tank Oven temperature Oven tempe...