Electrolux Refrigerator Service Manual
Total no frost fifty sliding door
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- Service manual (29 pages) ,
- Guía de uso y cuidado (22 pages) ,
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Summary of Contents for Electrolux Refrigerator
- Page 1 SERVICE MANUAL REFRIGERATION TOTAL NO FROST © ELECTROLUX HOME PRODUCTS S.p.A. Publication no. FIFTY Spares Operations Italy 599 37 75-07 Sliding Door Corso Lino Zanussi, 30 060824 I - 33080 PORCIA / PN (ITALY) ITZ/SERVICE/AA FACTORY: ZS Fax +39 0434 394096...
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Page 3: Table Of Contents
CONTENTS 1. INTRODUCTION ..............................5 2. AIR CIRCULATION..............................8 3. REFRIGERATION CIRCUIT ..........................9 4. ELECTRIC WIRING ............................10 5. COMPONENTS ..............................12 5.1. Cooler compartment ........................... 12 5.1.a. Control panel............................13 5.1.b. Electronic boards ............................. 14 5.1.c. Power board ERF2050..........................15 5.1.d. Display board ERF2000........................... 17 5.1.e. - Page 4 4/39 TOTAL NO FROST FIFTY SLIDING DOOR...
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Page 5: Introduction
Electronic control (electronic board ERF2050) LCD display (liquid crystal digit) They are appliances (KBIN 260 IT SD) with the following PNCs: MODEL BRAND 92569770000 ERF2620 Electrolux 92569770100 ERF2620 Electrolux 92569770200 ZI918/9FFA Zanussi The controls of the appliance are inserted in the higher part of the cooler compartment. - Page 6 The appliance consists of the following compartments: freezer; cooler; The evaporating system consists of: battery cold module (freezer compartment); Key: A = control panel B = cooler compartment C = cold module D = freezer compartment TOTAL NO FROST FIFTY SLIDING DOOR 6/39...
- Page 7 The temperature detection of the cooler compartment is carried out by 1 sensor: cooler temperature sensor (located inside the air vent grid) The temperature detection of the freezer compartment is carried out by 1 sensor: freezer temperature sensor (located inside the freezer cell) The defrosting of the battery evaporator is controlled by the electronic board through the temperature detection of the sensors and the detection of the door opening.
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Page 8: Air Circulation
2. AIR CIRCULATION Unlike in the PARTIAL NO FROST refrigerator, in the TOTAL type the cooler and the freezer communicate each other, therefore the battery evaporator cools both compartments. The cold produced by the battery evaporator in the freezer compartment is distributed by the F fan placed behind the cold module. -
Page 9: Refrigeration Circuit
3. REFRIGERATION CIRCUIT Key: 1. compressor; 2. condenser; 3. anti-condensation coil; 4. dehydrator filter; 5. capillary; 6. battery evaporator (freezer compartment); 7. exchanger. 9/39 TOTAL NO FROST FIFTY SLIDING DOOR... -
Page 10: Electric Wiring
4. ELECTRIC WIRING ( Check the specific diagram for each model ! ) TOTAL NO FROST FIFTY SLIDING DOOR 10/39... - Page 11 Key: 3. compressor 5. motor protector 9. defrosting heater 13. lamp 16. freezer door switch 24. battery evaporator fan 41. electronic board ERF 2050 52. air flow regulator (damper) 56. cooler air temperature sensor 57. freezer air temperature sensor a. yellow-green; b.
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Page 12: Components
5. COMPONENTS 5.1. Cooler compartment Key: A. control panel B. reed element for cooler door switch C. cooler air temperature sensor D. air flow regulator (damper) 12/39 TOTAL NO FROST FIFTY SLIDING DOOR... -
Page 13: Control Panel
5.1.a. Control panel Key: A. ON/OFF button B. Freezer temperature regulation knob C. Temperature display button D. Temperature and function display E. Function activation button (freezer compartment temperature alarm reset) F. Cooler temperature regulation knob 1. cooler symbol 2. freezer symbol 3. -
Page 14: Electronic Boards
5.1.b. Electronic boards The electronic board of the appliance consists of: 1. power board ERF2050 2. display board ERF2000 The two electronic boards are connected by means of a flat cable with a connector; therefore, the two boards are available singularly as spare part. 14/39 TOTAL NO FROST FIFTY SLIDING DOOR... -
Page 15: Power Board Erf2050
5.1.c. Power board ERF2050 - View of the electronic board (side of components): 1. earth contact; 2. free; 3. line; 4. compressor; 5. neutral; 6. neutral; 7. lamp; 8. neutral; 9. defrosting heater; 1. fan; 2. fan. TOTAL NO FROST FIFTY SLIDING DOOR 15/39... - Page 16 1. free; 2. free; 3. free; 4. free; 5. damper; 6. damper; 7. damper; 8. damper. 1. free; 2. free; 1. cooler sensor; 2. cooler sensor; 3. free; 4. free; 5. freezer sensor; 6. freezer sensor; 1. free; 2. free. 3.
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Page 17: Display Board Erf2000
1. free; 2. free. 3. freezer door switch; 4. freezer door switch; 5.1.d. Display board ERF2000 Key: = function activation button (freezer temperature alarm reset); = ON/OFF button; = temperature display button; = reed element; = liquid crystal display; POT1 = freezer temperature regulation;... -
Page 18: Air Flow Regulator (Damper)
5.1.e. Air flow regulator (damper) The temperature regulation of the cooler compartment occurs by means of the passage or not of cold air from the damper, which can have only 2 fixed positions, opened or closed. The air flow regulator (damper) 1 is located inside the lamp holder diffuser 2. The damper consists of a door and a stepping motor and it is connected to the electric wiring by means of a 4- pole connector. -
Page 19: Cooler Air Temperature Sensor
5.1.f. Cooler air temperature sensor The cooler air temperature sensor is located inside the air vent grid. 19/39 TOTAL NO FROST FIFTY SLIDING DOOR... -
Page 20: Freezer Compartment
5.2. Freezer compartment Key: A. freezer door switch magnetic sensor B. freezer door switch reed element C. freezer temperature sensor (foamed inside the cell) D. cold module 20/39 TOTAL NO FROST FIFTY SLIDING DOOR... -
Page 21: Cold Module
5.2.a. Cold module Key: 1 = cut-out defrosting and safety switches 2 = cold module fan 3 = cold module defrosting heater Note: The cut-out defrosting and safety switches ( +8 / +40 °C ) are connected together, therefore they are not available as single spare parts. -
Page 22: Defrosting Heater
5.2.c. Defrosting heater The defrosting heater is used to defrost the ice that has accumulated on the battery evaporator. The balancing heater has the following values: power 274 W voltage 240 V resistance 210 Ohm 5.2.d. Thermal switches The thermal cut-outs are positioned in direct contact with the battery evaporator. They switch off the defrosting heater respectively at: +8 °C cut-out defrosting switch (cable colour: black - blue) +40 °C cut-out safety switch (cable colour: black - white) -
Page 23: Freezer Air Temperature Sensor
5.2.f. Freezer air temperature sensor The freezer air temperature sensor is foamed inside the cell (see S figure). 23/39 TOTAL NO FROST FIFTY SLIDING DOOR... -
Page 24: Connection Box
5.2.g. Connection box The connectors are in the box located inside the freezer: 1. fan (white cables) 2. thermal switches and defrosting heater (cables: brown and blue). 24/39 TOTAL NO FROST FIFTY SLIDING DOOR... -
Page 25: Operation
6. OPERATION 6.1. Normal Warning: unplug the appliance before operating. In case of first switching on with a freezer compartment temperature higher then 10 °C, the appliance operates with a test cycle (for the factory) for a maximum time of about 1,5 hours. In this period do not check the correct functioning of the appliance, since the loads are activated only for internal check (compressor, fan, defrosting heater, damper). -
Page 26: Defrosting
6.2. Defrosting All the humidity in the compartment accumulates on the evaporator, which is the coldest part of the compart- ment; periodically, about every 14 hours with normal door opening (up to 72 hours if the doors never open!), it is then necessary to defrost the ice on the battery. -
Page 27: Super Function (Rapid Freezing)
6.5. Cooler compartment switching off The refrigerator compartment can be switched off by turning the temperature regulation knob to 0. The display shows OF. The air flow regulator (damper) is closed and the lamp remains off also if the door is open. -
Page 28: Malfunctioning Of Cooler Temperature Sensor
6.6. Malfunctioning of cooler temperature sensor If during the normal operation a failure occurs to the cooler NTC temperature sensor (the signal coming from the sensor is out of range), pushing the function activation button: The display shows cooler temperature sensor faulty The air flow regulator (damper) has the following operation: open when the compressor is on closed when the compressor is off... -
Page 29: Malfunctioning Of Freezer Temperature Sensor
6.7. Malfunctioning of freezer temperature sensor If during the normal operation a failure occurs to the freezer NTC temperature sensor (the signal coming from the sensor is out of range), pushing the function activation button: The display shows freezer temperature sensor faulty The appliance operates with a predefined cycle, therefore the compressor is switched on for 40 minutes and off for 40 minutes alternatively The defrosting procedure is activated every about 14 hours... -
Page 30: Alarms
7. ALARMS 7.1. Freezer compartment temperature alarm When the freezer compartment reaches -11 °C, the temperature alarm activates: The LCD display background is red; The freezer symbol flashes; The temperature digits flash; The buzzer sounds. Push the function activation button to deactivate the buzzer. When normal conditions are reset (after a power failure): The acoustic signal deactivates;... -
Page 31: Accessibility To Cooler Compartment
8. ACCESSIBILITY TO COOLER COMPARTMENT Warning: unplug the appliance before operating. 8.1. Air flow regulator (damper) To access the air diffuser and its components (air flow regulator and lamp holder) perform the following operations in sequence: a) Remove the lamp cover pushing the hook b) Remove the filter support pulling it downwards c) Remove the 2 upper fixing screws d) Remove the 2 front fixing screws... - Page 32 f) The damper is fitted with 2 screws and is connected e) View of the lamp holder to the electric wiring through a 4-pole connector 32/39 TOTAL NO FROST FIFTY SLIDING DOOR...
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Page 33: Accessibility To Freezer Compartment
9. ACCESSIBILITY TO FREEZER COMPARTMENT Warning: unplug the appliance before operating. 9.1. Battery evaporator To access the battery evaporator and its components (fan, defrosting heater, door switch, and thermal switches) perform the following operations in sequence: Remove the drawers and the grids c) Remove the 3 fixing screws of the evaporator b) Remove the 3 screw covers shield... - Page 34 f) Release the 3 lower hooks of the air vent grid g) Insert a screwdriver inside the slot h) Insert the edge of the screwdriver and turn it i) Extract the cold module towards the direction of the arrow m) Thermal switches l) Thermal switch connectors Note: The defrosting cut-out and safety thermal switches...
- Page 35 n) The fan is fitted to the support which is extracted from the cold module In case of replacement of the fan it is necessary to ensure that the fan draws in air. Note: If to be able to extract the cold module the pipes are too short, it is necessary to release and turn the condenser and the compressor as indicated in figure: 35/39 TOTAL NO FROST FIFTY SLIDING DOOR...
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Page 36: Troubleshooting
10. TROUBLESHOOTING WARNING ! Unplug the appliance before operating. 10.1. Excessive ice formation on the battery : If the rubber valve remains open, the humid air outside the freezer compartment is ducted inside and it accumulates too much ice on the battery. The valve remains open if there are foreign bodies or if it looses elasticity;... -
Page 37: Service Mode
11. SERVICE MODE 11.1. Starting SERVICE MODE To start the procedure perform the following operations: 1. Connect the plug to the socket. 2. Switch on the appliance with the ON/OFF button. 3. Open the doors of the appliance. 4. Switch the appliance off with the ON/OFF button. 5. - Page 38 To activate/deactivate the load press the “ON/OFF” button (the load is activated when the SUPER function symbol is displayed). Note: when the procedure skips to the following phase pressing the button “temperature displaying”, the load maintains its status (for example if the compressor had been activated it will remain active also in the following phase.
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Page 39: Display Symbols
12. DISPLAY SYMBOLS DISPLAY DIGITS DESCRIPTION NOT FLASHING Cooler compartment off (knob on 0) It indicates the cooler temperature with NOT FLASHING normal function [from +2 to +8 °C] It indicates the freezer temperature with NOT FLASHING normal function [from -15 to -24 °C] It indicates the cooler temperature with NOT FLASHING SHOPPING function...
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