Service Manual EU Dragon-SxS ERL
Contents
1. C6 displayed as the fridge temperature Note Temperature sensed by the fridge sensor is beyond controllable range VE Attention If such malfunction occurs the appliance will be running in a special safe mode The refrigeration function of the appliance is protected but temperature will not be displayed Check if the ambient temperature is above 45 C or not and if the appliance is just switched on or not If it is just switched on check the temperature display after the appliance has run for 1 hour Cause A most likely sensor plug does not contact well with the power board Remedy check clean or repair the plug and or socket Cause B the fridge sensor is broken Remedy check the resistance value of the sensor and compare it to the value in the diagram If the actual resistance value is not in the prescribed range repair the sensor 9 C7 displayed as the fridge temperature Note Temperature sensed by the fridge and its evaporator sensors is beyond controllable range VE Attention If such malfunction occurs the appliance will be running in a special safe mode The refrigeration function of the appliance is protected but temperature will not be displayed Check if the ambient temperature is above 45 C or not and if the appliance is just switched on or not If it is just switched on check the temperature display after the appliance has run for 1 hour Cause A most likely sensor plug does not contact well with th2. Item 18 Cause B the electromagnetic valve is out of work or the capillary tube in the freezer is blocked Remedy change the electromagnetic valve and check the flow in the capillary tube Cause C the fan is out of work and the cooling effect is worsened To find out if the fan works or not you need to activate the Device Testing or Quality Testing function 17 The compressor never stops Check a If Fast freeze is set it is normal b if the display temperature is higher than the set temperature it is normal but if such display runs for a long period handle according to Item 12 and 13 If it is none of the above the causes could be Cause A the power board is out of work Remedy check the Input and Output signal of the power board via Power board Selfcheck ref Item 16 18 power board out of work Possible damage of the power board could be detected via Power board Selfcheck This can be done on the refrigerator to activate the Device Testing function A Test on the refrigerator a cut off the power supply b turn on the power 5 minutes later c Press SETTING and Vbuttons simultaneously within 1 minute and hold on for 5 seconds to activate Device Testing program see the Table below Selfcheck process 0 5s All LED display lighted up 5 10s Numerical value of the air sensors in the wine compartment freezer fridge displayed Corresponding error code will be displayed if malfun
3. check clean or repair the plug and or socket Cause B the freezer evaporator sensor is broken Remedy check the resistance value of the sensor and compare it to the value in the diagram If the actual resistance value is not in the prescribed range repair the sensor 6 C5 displayed as freezer temperature Note Temperature sensed by the freezer and its evaporator sensors is beyond controllable range Attention If such malfunction occurs the appliance will keep on running The refrigeration function of the appliance is protected but temperature will not be displayed Check if the ambient temperature is above 45 C or not and if the appliance is just switched on or not If it is just switched on check the temperature display after the freezer has run for 1 hour Cause A most likely sensor plug does not contact well with the power board Remedy check clean or repair the plug and or socket Cause B the freezer and its evaporator sensors are broken Remedy check the resistance value of the sensors and compare it to the value in the diagram If the actual resistance value is not in the prescribed range repair the sensors 7 displayed as the fridge temperature Note When the ambient temperature is close to or below 0 C there is no problem with the appliance Repair according to item 14 is required only when the food is frozen and is displayed Temperature of the fridge should only be displayed as above 0 C 8
4. of heater and dual breakers it turns on at 45 C and turns off at 55 C a The work status of the defrosting circuit is controlled by the control board according to time and the evaporator defrosting sensor Defrosted water drainage system is made up of the drainage hole heat conduction part and the drainage hole cap If there is defrosting problem when the appliance runs normally we check in the first place if the heater is connected to the evaporator and if the defrost circuit is connected The second is to check if the defrosted water drainage system is properly assembled the drainage hole cap should be closed and the heat conduction part should contact well and be at the right place The last is to check if the control board works 20 Maintenance of the fridge is the same with that of the wine compartment
5. when the power is switched on to activate Quality Testing function d Press SETTING A and V buttons simultaneously at any time to activate Forced defrosting function 2 Power board with power failure memory function and program resumption function Before any setting is done when the refrigerator is turned on the default temperature and its range is as follows default range Fridge 5 C 2C 8C Wine 12 C 6C 14C compartment freezer 18 C 15C 21 C Electromagnetic valve the electromagnetic valve is made by AWECO from Germany and is an 2 way 3 pass pulse electromagnetic valve Both valves are dual stable state valves controlled by AC current The flow direction of the electromagnetic valve is controlled by 4 continuous positive half pulse or negative half pulse as the minimum unit The flow direction will be reversed if the null line and the caustic line are connected wrong diode mains supply power 230V 50Hz positive pulse ooo 230V 50Hz x TEE homm ann 8 y valve switch dd Edo ARES Hive pulse drive The working voltage of the valves is 175V 264V When the ambient temperature is 20 25 C the numerical value of the resistance of the coil is 2795 10 Please make sure the conduits of the valves are correctly welded The capillary tube with red mark is for the freezer system The capillary tube with black mark is for
6. HI Electrolux Service Manual EU Dragon SxS ERL 4796S REV A Oct 20 2005 II III IV VI Table of Contents Brief introduction Main technical data Electric circuit diagram Refrigeration system illustration Components and description Malfunction and remedy J I Brief introduction ERL 4796S is a fridge freezer combination controlled by just one control system The microcomputer system can control the temperature in the fridge freezer and wine compartment respectively Temperature of the frost free freezer can be adjusted between 15 C and 21 C It is for storage of fresh cooked or frozen foods and ice making Temperature of the static wine compartment can be adjusted between 6 C and 14 C There is an axial fan inside to make the temperature even in the compartment This compartment is used to store wine and other drinks Temperature of the static fridge can be adjusted between 2 C and 8 C There is an axial fan inside to make the temperature even This compartment is used to store foods for short periods II Main technical data Moll ERL47965 Product code IPNC 925 028 249 EU composed by cooler 925 028 250 ERLA796COL freezer 925 028 251 ERL4796FZ instal
7. ction occurs to any of the sensors Freezer wine compartment compressor indicator on the testing device goes off 5 seconds after it is lighted up Fridge compressor indicator on the testing device goes off 5 seconds after it is lighted up Other load s off 10 15s Numerical value of the evaporator sensors in the wine compartment freezer fridge displayed Corresponding error code will be displayed if malfunction occurs to any of the sensors The valve positive semiwave indicator on the testing device goes off 5 seconds after it is lighted up The fridge lamp indicator on the testing device goes off 5 seconds after it is lighted up Other load s off 15 20s Power board software info POISE of the freezer wine compartment displayed The valve negative semiwave indicator on the testing device goes off 5 seconds after it is lighted up The fridge fan indicator on the testing device goes off 5 seconds after it is lighted up Other load s off 20 25s Power board software info U903 of the freezer wine compartment displayed Wine compartment door indicator on the testing device goes off 5 seconds after it is lighted up Other load s off 25 30s Power board software info PO18B of the fridge displayed The wine compartment fan indicator on the testing device goes off 5 seconds after it is lighted up Other load s off 30 35s Power board software info U001 of the fridge displayed The fre
8. e power board Remedy check clean or repair the plug and or socket Cause B the fridge and its evaporator sensors are broken Remedy check the resistance value of the sensors and compare it to the value in the diagram If the actual resistance value is not in the prescribed range repair the sensors 10 Connection malfunction When the fridge displayed C8 it is connection malfunction with the fridge Remedy check the connection of the cords and that of the two power boards 11 Audio video warning Audio warning beep alarm Video warning high temperature flash warning Four kinds of warning A Door open alarm for fridge freezer and wine compartment Warning starts when any door opens more than 180 seconds the alarm starts Warning ends when all doors are properly closed the beep alarm stops The beep alarm could also be ended by pressing any button But the alarm resumes 180 seconds later if any door is still open B High temperature warning Warning starts when the fridge temperature is or above 12 C when the wine compartment temperature is or above 19 C when the freezer temperature is or above 6 C the high temperature sign start flashing Warning ends A If the high temperature alarm only occurs to the fridge or the wine compartment the high temperature sign automatically stops flashing when the temperature falls to below corresponding warning temperature B If the high temperature alarm occurs to
9. ezer fan indicator on the testing device goes off 5 seconds after it is lighted up Other load s off 35 40s The freezer heater indicator on the testing device goes off 5 seconds after it is lighted up Other load s off Power board software version No in full the latest software version No will be taken into account at testing Wine compartment freezer power board P018U903 Fridge power board PO18BUOO1 2 If there is no power board software version No displayed it means there is problem with the software version and the power board is disqualified 3 During the process of Selfcheck the effectiveness of the door Input signal can be tested When the fridge SW FR door switch K1 is set at ON the fridge door lamp turns on When K1 is set at OFF the fridge door lamp turns off When the wine compartment SW CL door switch K10 is set at ON the wine compartment door lamp turns on When K10 is set at OFF the wine compartment door lamp turns off When the freezer SW FZ door switch K9 is set at ON the beeper alarm starts about 90 seconds later When you set K9 at OFF at this moment the alarm stops 4 Press SETTING and V buttons on the display board simultaneously and hold on for 5 seconds the selfcheck program ends with a beeping from the beeper alarm The program will also end when the selfcheck ends 19 Introduction of the defrosting system in the freezer The defrosting circuit is made up
10. hi ler amp Freezer Magnetic ballast Defrost Breakers Defrost heater Defrost Breakers gt g 2 c p KR lu Earthi ng N EC Cniller Door switch Freezer Door switch Compressor GTR 3 Line Neutral Electronic circuitry Barth board Fr i dger Fridger Door switch Fridger Evap sensor Fridger Air sensor Fridgler Lamp Magnetic bal last yc N pce 2350V 50Hz Compressor CJEIN e Earthing gt Fridgler Fan IV Refrigeration system illustration This fridge freezer combination has two separate refrigeration systems When problem occurs to either of the two the rest still works Wine compartment freezer fridge Wine compartment evaporator fridge evaporator Capillary tube Epit Cam n E i S bai Ae 11119 HT P Freezer evapora filter BEEN condenser compressor V Components and description 1 Display board AUAM to DA HD Datt A For functions and operation of the display board please refer to the User Manual B Functions of Key combination a Press SETTING and V buttons simultaneously within 1 minute when the power is switched on to activate Device Testing function b Press Setting TEMP A and V buttons simultaneously within 1 minute when the power is switched on to activate Demo function c Press TEMP and A simultaneously within 1 minute
11. lation kit 925 028 252 925 028 253 UK composed by cooler 925 028 254 ERL4796COL freezer 925 028 251 ERL4796FZ installation kit 925 028 252 999x565x1768 otal effective fridge wine freezer 266 118 84 for freezer amp wine compartment Rated voltage frequency oltage range ower consumption Freezing capacity kg 24h ondenser position Freezer layout emperature range fridge ine compartment eezer arnings open door warning fredge wine high temperature in freezer high temperature in wine compartment high temperature in fridge uoresent lamp Insulation class ke p GVY6GAA S O 65 2 pul farate bak hie bottom drawers ic ase i 3 6 EE EE il pom ic III Electric circuit diagram p 3 iB Fridge control board Cable for correct Wine and freezer control board Display Control Board EZ i 11 d san l Friager Door switch Salat II CEFE Chiller Door switch l Defrost Breaker n II 1 Il d Si ANAS n Axe E Freezer Door switch I sagua LZ M mE Freezer Fen mum Il Leas POKER 11 Defrost reste i a l Il ll J i De m 2 Es F E WW SE ZE De eg Es vut a Wiring diagram Chiller Fan Q Freezer Fan Q RS Chi Iler Lem Chi lie Evep sensor Chiller Air sensor Freezer Ever sensor Freezer Air sensor Display Light Control board Board 3 6 Electronic circuitry board C
12. nal to find out if it is running or not Please change the compressor if necessary Cause C the electromagnetic valve is out of work or the capillary tube in the wine compartment or the freezer is blocked Remedy change the electromagnetic valve and check the flow in the capillary tube in the wine compartment or the freezer Cause D refrigerant leakage Remedy regular 13 Refrigeration system in Fridge does not work Cause A the power board is out of work Remedy check the Input and Output signal of the power board via Power board Selfcheck ref Item 18 Cause B the capillary tube is blocked Remedy check the flow in the capillary tube Cause C refrigerant leakage Remedy regular Cause D loose contact of the power cord of the compressor or the compressor is out of work Remedy Test the compressor power at its Input terminal to find out if it is running or not Please change the compressor if necessary 14 Temperature in Wine compartment is low Check if the ambient temperature is lower than the set temperature of the wine compartment If yes it is normal If not the causes could be Cause A the electronic control board is out of work Remedy check the Input and Output signal of the power board via Power board Selfcheck ref Item 18 Cause B the wine compartment sensor is not accurate or not installed at the right place or has contact with warm parts Remedy check the resistance value of the senso
13. on Food is normally to be at least cooled down to the ambient temperature before being put into the appliance If the Fast freezing function is activated when food of ambient temperature is put into the appliance it lessens the risk of high temperature warning refer to User Manual for more info If the door s is are not properly opened and closed it results in alarm If the light is on when the door is open and off when the door is close the door works normally Do the following checks within 20 minutes when the power supply is on If the light never turns off there might be problem with the magnet i e no magnet has been installed in the fridge door or in the wine compartment door Or it could be problem with the magnetic switch Do the following checks 20 minutes after the power supply is on If the lamp in the fridge or in the wine compartment does not light up the cause could be either of the above two Because if such case occurs the lamp will be switched off by the electronic control board after it was on continuously for 20 minutes safety protection function 12 Refrigeration system in Wine compartment and Freezer does not work Cause A the power board is out of work Remedy check the Input and Output signal of the power board via Power board Selfcheck ref Item 18 Cause B loose contact of the power cord of the compressor or the compressor is out of work Remedy Test the compressor power at its Input termi
14. on or not If it is just switched on check the temperature display after the appliance has run for 1 hour Cause A most likely sensor plug does not contact well with the power board Remedy check clean or repair the plug and or socket Cause B the wine compartment sensor is broken Remedy check the resistance value of the sensor and compare it to the value in the diagram If the actual resistance value is not in the prescribed range repair the sensor 3 C2 displayed as the wine compartment temperature Note Temperature sensed by the wine compartment and its evaporator sensors is beyond controllable range YE Attention If such malfunction occurs the appliance will be running in a special safe mode The refrigeration function of the appliance is protected but temperature will not be displayed Check if the ambient temperature is above 45 C or not and if the appliance is just switched on or not If it is just switched on check the temperature display after the appliance has run for 1 hour Cause A most likely sensor plug does not contact well with the power board Remedy check clean or repair the plug and or socket Cause B the wine compartment and its evaporator sensors are broken Remedy check the resistance value of the sensors and compare it to the value in the diagram If the actual resistance value is not in the prescribed range repair the sensors 4 C3 displayed as the freezer temperature Note Temperature
15. r s and compare it to the value in the diagram If the actual resistance value is not in the prescribed range repair the sensor s Cause C the electromagnetic valve is out of work Remedy change the electromagnetic valve 15 Temperature in Wine compartment is high Check If the ambient temperature is too high while the set temperature in the wine compartment is relatively low the wine compartment temperature could be higher than the set temperature in a short period This is the result of defrosting which is not a problem If the cause is not any of the above the causes could be Cause A the power board is out of work Remedy check the Input and Output signal of the power board via Power board Selfcheck ref Item 18 Cause B the wine compartment sensor is not installed at the right place Cause C the fan is out of work and the cooling effect is worsened To find out if the fan Works or not you need to activate the Device Testing or Quality Testing function Cause D the electromagnetic valve is out of work or the capillary tube in the wine compartment is blocked Remedy change the electromagnetic valve and check the flow in the capillary tube 16 Poor Refrigeration performance in Freezer Check the gasket on the freezer door If no problem with the gasket the causes could be Cause A the power board is out of work Remedy check the Input and Output signal of the power board via Power board Selfcheck ref
16. sensed by the freezer sensor is beyond controllable range Attention If such malfunction occurs the appliance will keep on running The refrigeration function of the appliance is protected but temperature will not be displayed and Quick Freeze function is disabled Check if the ambient temperature is above 45 C or not and if the appliance is just switched on or not If it is just switched on check the temperature display after the freezer has run for 1 hour Cause A most likely sensor plug does not contact well with the power board Remedy check clean or repair the plug and or socket Cause B the freezer sensor is broken Remedy check the resistance value of the sensors and compare it to the value in the diagram If the actual resistance value is not in the prescribed range repair the sensors 5 C4 displayed as the freezer temperature Note Temperature sensed by the freezer evaporator sensor is beyond controllable range Attention If such malfunction occurs the appliance will keep on running at the default temperature The refrigeration function of the appliance is protected but temperature will not be displayed and Defrost function is disabled Check if the ambient temperature is above 45 C or not and if the appliance is just switched on or not If it is just switched on check the temperature display after the freezer has run for 1 hour Cause A most likely sensor plug does not contact well with the power board Remedy
17. the freezer When the freezer temperature has fallen to below the warning temperature 6 C and temperature in other compartments has also been below the warning temperature respectively the high temperature sign keeps on flashing if no button has been pressed since the begining of the alarm If any button is pressed at that moment the highest temperature in the freezer will be on display for 5 seconds and the display will resume normal 5 seconds later If the freezer temperature has fallen to its lowest but still above the warning temperature 6 C the highest temperature in the freezer will be on display for 5 seconds as well if any button is pressed And the display resumes normal 5 seconds later Besides when the temperature in each compartment is below the warning temperature respectively the high temperature sign will automatically stop flashing Possible warning When the appliance is switched on for the first time it is not malfunction if the high temperature alarm starts Check the temperature display of the three compartments respectively If the temperature is still above the warning temperature respectively after running for at least 5 hours it could be problem with the refrigeration system or the electronic control board Please check from Item 12 on If a lot of hot food has been put into the appliance the temperature 1s likely to rise to the upper limit and activate the warning which is normal and is not malfuncti
18. the wine compartment system Temperature sensor There are six sensors on the three compartment inner liners and evaporators respectively Their value of resistance at different temperature are the following sensor temp resistance 20 C 4KQ HOC 5 4KQ 5 C 6 8K2 20 C 25KQ 30 C 47KQ 4 Centrifugal fan There is an DC centrifugal fan in the frost free freezer There is also an relatively smaller DC centrifugal fan at the top of which is the static wine compartment and fridge more energy saving and of lower noise compared with regular fans and keeps a balanced temperature among each compartment with quick temperature decrease VI Malfunction and remedy 1 displayed for the Wine Compartment Note When the ambient temperature is close to or below 0 C there is no problem with the appliance Repair according to item 14 is required only when the food is frozen and is displayed Temperature of the wine compartment should only be displayed as above 0 C 2 C1 displayed as the wine compartment temperature Note Temperature sensed by the wine compartment sensor is beyond controllable range Attention If such malfunction occurs the appliance will be running in a special safe mode The refrigeration function of the appliance is protected but temperature will not be displayed Check if the ambient temperature is above 45 C or not and if the appliance is just switched
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