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Electrolux AND32321S, Service Manual

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Electrolux AND32321S Service Manual Download Page 11

 - ITZAA

11/31

599 38 97-89

5.2.1

Power and display board ERF550

- View of the electronic board (side of components):

Key:

PL1

= temperature selection button

DL1

= temperature LED (+2 °C)

DL2

= temperature LED (+4 °C)

DL3

= temperature LED (+5 °C)

DL4

= temperature LED (+6 °C)

DL5

= temperature LED (+8 °C)

Summary of Contents for AND32321S

Page 1: ...RATION Electrolux Home Products S p A Spares Operations Italy Corso lino Zanussi 30 I 33080 Porcia PN Fax 39 0434 394096 S O I Edition 06 2007 Publication no 599 38 97 89 EN REFRIGERATORS COMBI TOP NO FROST PARTIAL with ERF550 electronic FACTORY ZS ...

Page 2: ...17 5 4 3 Thermal switches 17 5 5 Compressor compartment 18 5 5 1 Connector box 18 6 MAIN FUNCTIONS 19 6 1 Normal 19 6 2 Normal with first switching on or power failure 19 6 3 Defrosting 20 6 4 Flow chart for the defrosting management 22 6 5 Malfunctioning of cooler air temperature sensor 23 7 ACCESSIBILITY 24 7 1 Freezer compartment 24 7 1 1 Battery evaporator 24 7 1 1 1 Replacement of the thermal...

Page 3: ...589503 AND42391X Electrolux Arthur Martin 925589504 END42391X Electrolux 925589505 S75428DT AEG Electrolux 925589507 RND42391W Rex Electrolux 925589508 RND42391S Rex Electrolux 925589509 RND42351X Rex Electrolux 925589510 S75428DT1 AEG Electrolux 925589511 PD431NFX Zoppas 925589512 S75428DT2 AEG Electrolux 925589513 END42391S Electrolux 925587500 END32321W Electrolux 925587501 END32321X Electrolux...

Page 4: ...ot possible to switch off only one of the two compart ments The temperatures regulation is the following from 8 to 2 C for the cooler The temperature of the fridge compartment is displayed through the lighting up of the LEDs of the electronic PCB The appliance has the following functions Forced ventilation cooler compartment PNC MODEL BRAND 925587512 END32321S Electrolux 925587513 END32321W Electr...

Page 5: ... inserted in the air box The appliance consists of the following compartments freezer cooler The evaporating circuit consists of cold module freezer compartment tube evaporator cooler compartment Key A control panel on the air box B cooler compartment C cold module D freezer compartment freezer No Frost ...

Page 6: ...re separated physically The battery evaporator cools only the freezer compartment while the tube evaporator cools only the cooler compartment The cold produced by the battery evaporator in the freezer compartment is distributed by the fan C placed above the cold module AIR FLOW In case of freezer door opening the cold module fan does not stop ...

Page 7: ... 599 38 97 89 3 REFRIGERATION CIRCUIT Key 1 compressor 2 anti condensation coil 3 condenser 4 dehydrator filter 5 capillary 6 battery evaporator freezer compartment 7 tube evaporator cooler compartment 8 exchanger ...

Page 8: ... ITZAA 8 31 599 38 97 89 4 ELECTRIC WIRING Check the specific diagram for each model ...

Page 9: ...efrosting cut out switch 8 C S T S safety thermal switch 40 C ON on OFF off CLOSED closed OPENED opened A start of defrosting procedure B activation of defrosting heater C defrosting cut out switch D end of defrosting procedure a yellow green b brown c blue d white e black f grey g red ...

Page 10: ...PONENTS 5 1 Controls on air box Key A temperature selection button B LED bar display C cooler door button D ACTION FREEZE symbol 5 2 Electronic board The electronic board of the appliance consists of 1 power and display board ERF550 ...

Page 11: ...ower and display board ERF550 View of the electronic board side of components Key PL1 temperature selection button DL1 temperature LED 2 C DL2 temperature LED 4 C DL3 temperature LED 5 C DL4 temperature LED 6 C DL5 temperature LED 8 C ...

Page 12: ... free 3 compressor and cold module fan line 4 free 5 cooler door switch signal 6 free 7 air box fan neutral and lamp 8 neutral 9 free 10 line 1 cooler air temperature sensor 2 free 3 cooler air temperature sensor 1 free 2 free 3 free 1 free 2 free 3 free ...

Page 13: ... ITZAA 13 31 599 38 97 89 5 3 Cooler compartment Key A cooler air temperature sensor 1 cooler door switch 2 air box ...

Page 14: ...ensor A has the foamed cable inside the cabinet therefore it is not replaceable for further information please see Service Bulletin 599374122 5 3 2 Air box The air box is located inside the cooler compartment The air box contains ERF550 electronic board cooler door switch lamp fan The switching on of the fan occurs manually through the B button of ON OFF air filter ...

Page 15: ...e opening of the cooler door is carried out by means of electromechanic switch for cooler door control located in the controls of the air box The fan is located inside the air box The air is intaken by the fan therefore in case of its replacement ensure that the air coming out from the fan is forced towards the front part of the compartment In case of cooler door opening the air box fan does not s...

Page 16: ...f of the lamp sending the open door button to the ERF550 electronic board The battery evaporator defrosting is driven by the electronic board and depends also on the detection of the opening of the cooler door 5 4 Freezer compartment Key 1 cold module fan 2 fan bracket 3 fan blade 4 thermal switches 5 defrosting heater 6 battery evaporator cover 7 insulation 8 battery evaporator 9 aluminium foil ...

Page 17: ...osting heater is used to defrost the ice that has accumulated on the battery evaporator The heater has the following values power 110 W voltage 240 V resistance 524 Ohm 5 4 3 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 wire colour brown brown 40 C cut out safet...

Page 18: ... 18 31 599 38 97 89 5 5 Compressor compartment Key A connector box B freezer compressor 5 5 1 Connector box Inside the connector box there are 1 connector for cold module fan 2 connector for thermal switches ...

Page 19: ...the compressor and the cold module fan circuits The fan and the compressor are powered in parallel thus they are activated and deactivated at the same time The operation time that corresponds to the interval between the following defrosting lasts about 14 hours with normal openings of the door it can last up to 72 hours if the doors are never opened 6 2 Normal with first switching on or power fail...

Page 20: ...ture 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 of the end of defrosting every minute to detect the cut out When the switch of the end of defrosting cuts out the electronic PCB stops the defrosting procedure and the compressor as well as the fan do not operate until 60 minutes f...

Page 21: ...ATER defrosting heater D T S defrosting cut out switch 8 C S T S safety thermal switch 40 C ON on OFF off CLOSED closed OPENED opened A start of defrosting procedure B activation of defrosting heater C defrosting cut out switch D end of defrosting procedure ...

Page 22: ...han 30 h elapsed after the last defrosting cooler or freezer door is open from more than 1 minute yes no More than 14 h elapsed after the last defrosting comp on for more than 2 5 h yes no More than 14 h elapsed after the last defrosting last defrosting lasted 60 min utes yes no More than 30 hours elapsed after the last defrosting for the first time yes no More than 72 h elapsed after the last def...

Page 23: ...ensor the signal coming from the sensor is out of range then When the sensor operates again normally the above described conditions terminate Characteristics of the NTC sensor All the LEDs of the display flash simultaneously The appliance operates with a preset cycle when the compressor is powered for 20 minutes and remains off for 30 minutes alternatively ...

Page 24: ...sting heater door switch and thermal switch es perform the following operations in sequence Warning Unplug the appliance before operating a remove the top b remove the 4 screw covers and remove the 4 fix ing screws c remove the polystyrene insulation from the sides cautiously d view of the internal components fan thermal switches and defrosting heater ...

Page 25: ... to the defrosting heater lift the 3 hooks up To replace the defrosting heater detach its connec tor In case of replacement of the fan it is necessary to ensure that the fan draws in air a detach the connector 2 of the thermal switches cut the cable of the thermal switches and insulate it with insulating tape b detach the connector of the thermal switches cut the cable of the thermal switches and ...

Page 26: ...es must pass through the hole in the compartment e seal the hole using the cable grommet cover part no 2340125018 and the sealant part no 960016954 f position the thermal switches and connect the connectors again c make a hole using a 25mm diameter milling cut ter ...

Page 27: ...e appliance before operating a remove the 2 front fixing screws of the air box b unscrew the 2 rear fixing screws of the air box c detach the connector to remove the air box It is possible to access to the internal components PCB cooler door switch fan lamp ...

Page 28: ...ents are located in the compressor compartment compressor connector box Warning Unplug the appliance before operating a view of the compressor compartment A connector box B compressor b view of the internal components 1 cold module fan connector 2 thermal switches connector ...

Page 29: ...d defrosting In case of failed defrosting the possible causes are Warning Unplug the appliance before operating Sequence no POSSIBLE CAUSES HOW TO CONTROL SOLUTION 1 The defrosting heater is inter rupted Unplug the appliance remove the connector of the heater and verify with the tester the correct resistance value to the connec tor clamps If the resistance value does not correspond to the technica...

Page 30: ...er To start the manual procedure operate as follows open the cooler door hold down the temperature selection button push the cooler door button for 5 times within a 6 second interval At this point the electronic board activates the buzzer that emits a long beep switches on and off the two groups of LEDs of the temperatures 2 5 8 and 4 6 alternatively In this case the electronic PCB performs the st...

Page 31: ...D 2 C on Appliance operates in ACTION FREEZE function to freeze All leds alternatively on and off refrigerator compartment temperature sensor faulty The two led groups 2 5 8 and 4 6 are alternatively on and off Man ual defrosting procedure activated ...

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