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TOTAL NO FROST FIFTY SLIDING DOOR 

14/39

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. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Содержание Refrigerator

Страница 1: ...ERATION ELECTROLUX HOME PRODUCTS S p A Publication no Spares Operations Italy 599 37 75 07 Corso Lino Zanussi 30 060824 I 33080 PORCIA PN ITALY ITZ SERVICE AA Fax 39 0434 394096 TOTAL NO FROST FIFTY Sliding Door FACTORY ZS ...

Страница 2: ...TOTAL NO FROST FIFTY SLIDING DOOR 2 39 ...

Страница 3: ...rature sensor 23 5 2 g Connection box 24 6 OPERATION 25 6 1 Normal 25 6 2 Defrosting 26 6 3 SUPER Function rapid freezing 27 6 4 SHOPPING Function rapid cooling 27 6 5 Cooler compartment switching off 27 6 6 Malfunctioning of cooler temperature sensor 28 6 7 Malfunctioning of freezer temperature sensor 29 7 ALARMS 30 7 1 Freezer compartment temperature alarm 30 8 ACCESSIBILITY TO COOLER COMPARTMEN...

Страница 4: ...TOTAL NO FROST FIFTY SLIDING DOOR 4 39 ...

Страница 5: ...AND 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 The power control board is ERF2050 The user interface board is ERF2000 LCD display The appliance is a single compressor one but it is possible to switch off only the cooler compartment through the temperature regula...

Страница 6: ...R 6 39 A B C D 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 ...

Страница 7: ...tment 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 Key A cooler temperature sensor B freezer temperature sensor The temperature sensors A and B feature the foamed cable inside the cabinet there...

Страница 8: ...fan into the foamed duct and exits from the air flow regulator damper E located in the rear part of the diffuser lamp holder The air returns in the freezer compartment by means of some foamed ducts entering the air vent grids G Freezer compartment air flow the cold air is pushed into the compartment through the air screen and returns into the cold module through the front air vent grid In case of ...

Страница 9: ...TOTAL NO FROST FIFTY SLIDING DOOR 9 39 3 REFRIGERATION CIRCUIT Key 1 compressor 2 condenser 3 anti condensation coil 4 dehydrator filter 5 capillary 6 battery evaporator freezer compartment 7 exchanger ...

Страница 10: ...TOTAL NO FROST FIFTY SLIDING DOOR 10 39 4 ELECTRIC WIRING Check the specific diagram for each model ...

Страница 11: ... 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 brown c blue d white e black f grey ...

Страница 12: ...TOTAL NO FROST FIFTY SLIDING DOOR 12 39 B C A D 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 ...

Страница 13: ...mperature 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 temperature indicator sign or 4 temperature indicator 5 SUPER function rapid freezing 6 SHOPPING function rapid cooling ...

Страница 14: ...onic 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 ...

Страница 15: ...ST FIFTY SLIDING DOOR 15 39 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 ...

Страница 16: ...ST FIFTY SLIDING DOOR 16 39 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 free 4 free ...

Страница 17: ...h 5 1 d Display board ERF2000 Key SW1 function activation button freezer temperature alarm reset SW2 ON OFF button SW3 temperature display button SW4 reed element LCD liquid crystal display POT1 freezer temperature regulation POT2 cooler temperature regulation NTC1 room temperature sensor not used ...

Страница 18: ...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 1 2 ...

Страница 19: ...TOTAL NO FROST FIFTY SLIDING DOOR 19 39 5 1 f Cooler air temperature sensor The cooler air temperature sensor is located inside the air vent grid ...

Страница 20: ...NO FROST FIFTY SLIDING DOOR 20 39 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 A D B C ...

Страница 21: ...b Cold module fan The fan is located behind the cold module The air is intaken by the fan therefore in case of its replacement ensure that the air is forced towards the cell bottom The fan has the following characteristics power 240 V voltage 3 1 W speed 2000 rpm The fan stops in case of opening of the freezer or cooler door To simulate the door closed use a magnet and put it next to the magnetic ...

Страница 22: ...aporator 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 Note The cut out defrosting and safety switch 8 40 C are connected together therefore they are not available as single spare parts 5 2 e Freezer door switch The control of the freezer door opening is carried out by a magnetic switc...

Страница 23: ...TOTAL NO FROST FIFTY SLIDING DOOR 23 39 5 2 f Freezer air temperature sensor The freezer air temperature sensor is foamed inside the cell see S figure S ...

Страница 24: ...OTAL NO FROST FIFTY SLIDING DOOR 24 39 1 2 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 ...

Страница 25: ...ompartment temperature alarm buzzer active Push the function activation button to deactivate the buzzer Regulate the compartment knobs so as to set the following temperatures about 5 C in the cooler about 18 C in the freezer In NO FROST refrigerators the humidity inside the freezer compartment accumulates on the evaporator battery thanks to the air circulation thus preventing the formation of fros...

Страница 26: ...e defrosting heater does not affect the freezer compartment temperature or the food packages temperature because the thermal energy is consumed in the defrosting process of the evaporator ice After 20 minutes the electronic board checks the state of the thermal switch every minute to detect the cut out When the defrosting switch cuts out and anyway after 20 minutes the electronic board switches th...

Страница 27: ...er the last defrosting 6 4 SHOPPING Function rapid cooling The SHOPPING function rapid cooling is activated by pushing the function button till the symbol appears therefore the relative symbol SHOPPING is displayed the compressor operates in thermostatic conditions and not continuously as the temperature knob was on max position for a duration of about 6 hours and then it deactivates automatically...

Страница 28: ...he 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 When the sensor operates again normally the above described conditions terminate Characteristics of the NTC sensor ...

Страница 29: ...r 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 Characteristics of the NTC sensor ...

Страница 30: ...lashes 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 The temperature digits flash The display lighting is red Pushing the function activation button The highest temperature reached in the freezer compartment is displayed for 5 minute The display red l...

Страница 31: ...ting 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 ...

Страница 32: ...TOTAL NO FROST FIFTY SLIDING DOOR 32 39 e View of the lamp holder f The damper is fitted with 2 screws and is connected to the electric wiring through a 4 pole connector ...

Страница 33: ... battery evaporator and its components fan defrosting heater door switch and thermal switches perform the following operations in sequence a Remove the drawers and the grids b Remove the 3 screw covers c Remove the 3 fixing screws of the evaporator shield d Remove the cover of the connection box e Detach the 2 connectors of the fan and of the defrosting heater ...

Страница 34: ...inside the slot h Insert the edge of the screwdriver and turn it towards the direction of the arrow i Extract the cold module l Thermal switch connectors m Thermal switches Note The defrosting cut out and safety thermal switches 8 40 C are connected together therefore they are not available as single spare parts ...

Страница 35: ... 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 ...

Страница 36: ...ng In case of failed defrosting the possible causes are Sequence no POSSIBLE CAUSES HOW TO CONTROL SOLUTION 1 The defrosting heater is interrupted Unplug the appliance remove the connector of the heater and verify with the tester the correct resistance value to the connector clamps If the resistance value does not correspond to the technical data replace the heater 2 One or both switches of the th...

Страница 37: ...ctivate deactivate the loads compressor defrosting heater lamp fan and air flow regulator List of the phases of the SERVICE MODE 1 All the segments of the display are on 2 All the segments of the display are off 3 The number 0 is shown on the display and the load controlled by the ACS TH1 compressor is checked To activate deactivate the load press the ON OFF button the load is activated when the S...

Страница 38: ...easing number at intervals of 1 second This is a counter used by the board for its internal management At the same time the display background changes from red to blue 11 Check of the temperature sensors The display shows one of the following codes code description E0 No error E1 Evaporator sensor faulty E2 Ambient temperature sensor faulty installed on the display board E4 Ambient temperature sen...

Страница 39: ... function NOT FLASHING It indicates the freezer temperature with SUPER function FLASHING It indicates the freezer temperature in alarm condition NOT FLASHING It indicates the malfunctioning of the cooler air temperature sensor NOT FLASHING It indicates the malfunctioning of the freezer air temperature sensor NOT FLASHING It indicates incompatibility between the electronic boards Solution check the...

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