Electrolux Air-O-Speed, Service Manual

Page 1: ... service manual ENG 001 Copyright 2002 by Electrolux Professional P 1 20 Air O Speed OVEN Service Manual CONTENTS This document contains the information about parameters that can be read and or modified by means of user interface service utilities PROJECT REF AOS ovens AUTHORS F Ornella CONTRIBUTION BY DOCUMENT HISTORY Rel Date File Author Note ...

Page 2: ...CODES 7 5 1 ERRORS 7 5 2 WARNINGS 8 6 IDENTITY CARD FIRMWARE VERSION 9 7 OVEN STATUS 9 8 SERVICE UTILITIES 10 8 1 UTILITIES THAT CAN BE ACTIVATED WITH THE OVEN SWITCHED ON 10 8 2 UTILITIES THAT CAN BE ACTIVATED IN PARAMETER PROGRAMMING 11 11 SELECTION OF THE LANGUAGE FOR THE RECIPE MENU LEV A 11 12 CLEANING CYCLE 12 9 CYCLES UTILITIES IMPORTANT PARAMETERS 12 10 CHANGE OF THE MICROPROCESSOR BOARD 1...

Page 3: ...start up page will appear At this point press the external service buttons fig 2 till you hear two beeps At this point press the right buttons till you hear other two beeps fig 3 Press then the left service buttons and wait for other two beeps fig 4 At this point release the left buttons keeping pressed the middle one fig 5 till you hear 2 beeps Release the middle button and wait until the standar...

Page 4: ...amming is similar to the procedure for programming the defaults parameters Switch on the oven fig 7 Just after the switching on the start up page will appear At this point press the external service buttons fig 8 till you hear two beeps Now press the right buttons till you hear other two beeps fig 9 Press then the left service buttons and wait for other two beeps fig 10 Release the buttons and on ...

Page 5: ...r in the parameter list 2 Now you can scroll the parameters by turning the knob K 3 To enter and see the value of the parameter press the button P1 ABC See fig 12 Now you can change the value by turning the knob K 4 By pressing again the button P1 you store the new value and go again to the displaying of the number of the parameter Repeat steps from n 2 to n 4 to change all the parameters you need...

Page 6: ...TION with button P2 and confirm by pressing the button P3 OK Fig 13 3 By pressing the button P2 CAL the calibration starts Fig 14 The compartment temperature displayed will increase up to 160 ºC 320 ºF and the value in mV of the lambda probe will change 4 After 10 15 minutes the mV displayed should be stabilized and the cavity will be completely dry In this case you can confirm by pressing again t...

Page 7: ...ller detects one or more parameters which have values not permitting the minimum operational requirements an error code will appear on the display i e Epxx followed by the parameter number Enter the programming mode and set the correct value according to the parameter list EtUC Cavity over temperature cavity temperature exceeded value stored in parameter cot EtUB Boiler over temperature boiler tem...

Page 8: ...rameters Epix problem on the program index of the Factory recipes in the EEPROM Epha problem on the program phase of the Factory recipes in the EEPROM Edes problem on the description of the factory recipes in the EEPROM Efau problem on the automatic recipes in the EEPROM Efrz problem on the frozen food index in the EEPROM Ecat problem on the category index of food in the EEPROM 5 2 Warnings EH2O B...

Page 9: ... card Firmware version Enter in parameter programming Every time you press the 3 service buttons together fig 17 the identity card of the oven is displayed fig 18 Fig 17 Fig 18 7 Oven status The status of the oven can be displayed every time by pressing the maintenance icon Button P4 Then choose oven status fig 18 by pressing the button P2 and confirm with button P3 OK The following page will be d...

Page 10: ...n utilities that can be activated with the oven in parameter programming 8 1 Utilities that can be activated with the oven switched on With the oven switched on and not in a cooking phase pressing simultaneously the following buttons it is possible to activate the detergent rinse pumps and water valve of the cleaning system Automatic mode manual mode humidifier fig 20 activation of detergent pump ...

Page 11: ...yed o The button P1 acts as main switch if it is released the test stops o Each time the P2 button is pressed the next relay is activated o If the P2 button is kept pressed the relays are sequentially activated P1 P2 Fig 22 If one of the probes is detecting the same temperature of the ntc probe BOARD temperature the meanings are the following 1 Probe in short circuit 2 Probe not connected for exam...

Page 12: ...mbda probe will control only the cavity flap Steam cycle The maximum set point temperature is 130 C 266ºF Boiler heating elements burners are controlled with the lambda probe for a set point of 100 C 212ºF for set point lower than 100 C 212ºF the boiler is controlled with the cavity probe Combi cycle Boiler and cavity heating elements burners are working Cavity heating elements burners are control...

Page 13: ...e used RL5 is closed each time the oven has to use the heating elements at half or full power while RL24 is closed when the heating elements have to be used at full power independently from Sicotronic system IND4 and IND5 are the high voltage inputs of the commands from Sicotronic system if on IND4 and IND5 are present 230V the oven is working normally if only one is at 230V the oven is forced fro...

Page 14: ...ining Service AOSpeed OVENS Service Manual 593800300 ENG File AOSpeed service manual ENG 001 Copyright 2002 by Electrolux Professional P 14 20 APPENDIX A WATER BOILING POINT Height m Water boiling point C 0 100 00 300 98 90 500 98 30 800 97 50 1000 96 80 1500 95 00 2000 93 50 ...

Page 15: ...ining Service AOSpeed OVENS Service Manual 593800300 ENG File AOSpeed service manual ENG 001 Copyright 2002 by Electrolux Professional P 15 20 APPENDIX B CONTACTORS DIAGRAM 100 1 2 100 1 2 100 1 2 HOT AIR COMBI STEAM KS KS KS K1 K1 K1 K2 K2 K2 K3 K3 K3 K4 K4 K4 Contactors used ...

Page 16: ...ining Service AOSpeed OVENS Service Manual 593800300 ENG File AOSpeed service manual ENG 001 Copyright 2002 by Electrolux Professional P 16 20 APPENDIX C CONNECTIONS ON MAIN BOARD Put a jumper to make a short in the not used connections X20 X21 X22 X23 X14 X15 X16 X17 X18 X19 ...

Page 17: ...Customer Support Technical Training Service AOSpeed OVENS Service Manual 593800300 ENG File AOSpeed service manual ENG 001 Copyright 2002 by Electrolux Professional P 17 20 X1 1 X25 26 1 X28 1 X10 11 1 X12 13 1 X9 1 X8 1 X6 7 1 X4 5 1 X2 3 1 X24 1 ...

Page 18: ...ter filling valves boiler drain valve X8 Power supply to cleaning system X9 Output of PWM signal for burner fans X10 11 High voltage digital input i e thermal protection of the cavity fan motors and command signal of the burner fans form the ignition devices X12 13 Low voltage digital input i e cleaning system water pressure switch cavity limiter boiler limiter door micro switch and micro switch o...

Page 19: ... the sensor ceramic remains above 350 C Starting from 300 C the ZrO2 sensor becomes conductive for the oxygen ions so that if there is a different concentration of oxygen at the two sides of the sensors one side is in contact with the analyzed gas the other side is in contact with the external a voltage is generated Since the Oxygen Nitrogen ratio in the air is constant a measurement of the concen...

Page 20: ...93800300 ENG File AOSpeed service manual ENG 001 Copyright 2002 by Electrolux Professional P 20 20 APPENDIX E WATER TREATMENT Summary table Graph Not required Not required Nanofilter Nanofilter Osmotizer Osmotizer Hardness 5 F 5 F 5 F 5 F 5 F 5 F Treatment Not required Softener Nanofilter Nanofilter Osmotizer Osmotizer ...