Electrolux ERF2000 Service Manual Download Page 1

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SERVICE

MANUAL

REFRIGERATION

PB = POWER BOARD

VB = DISPLAY BOARD

599 35 61-03

Corso Lino Zanussi, 30 021218
I - 33080 PORCIA / PN (ITALY) ITZ/SERVICE/AA

Fax +39 0434 394096

Revision: 01 (250108)

ERF2000

Functions of the

electronic

boards

Summary of Contents for ERF2000

Page 1: ... VB DISPLAY BOARD ELECTROLUX ZANUSSI S p A Publication no Spares Operations Italy 599 35 61 03 Corso Lino Zanussi 30 021218 I 33080 PORCIA PN ITALY ITZ SERVICE AA Fax 39 0434 394096 Revision 01 250108 ERF2000 Functions of the electronic boards ...

Page 2: ...ERF2000 Functions of the electronic boards Rev 01 2 30 ...

Page 3: ...e 18 4 ALARMS 19 4 1 Freezer compartment temperature alarm 19 4 2 Refrigerator compartment temperature alarm optional 19 4 3 Door open alarm optional 19 4 4 Electronic boards incompatibility alarm 20 4 5 Eeprom error alarm 20 5 NTC SENSORS FAULT 21 6 DISPLAY SYMBOLS 23 7 SPECIAL FUNCTIONS 25 7 1 Changing the temperature area of the freezer optional 25 7 2 Devices check programme 25 7 3 Check progr...

Page 4: ...ERF2000 Functions of the electronic boards Rev 01 4 30 ...

Page 5: ...wer interruption and the control and configuration parameters of the appliance are memorized A PB power board which contains the micro controller inside which there are the 2 RAM and ROM memories the AC DC transformer the triacs of loads power the buzzer and the protections of the electronic board Aim of this manual is to fully describe the standard functions of an appliance controlled by the new ...

Page 6: ...RF2000D 01 B F005F DELTA 2C 18 display ERF2000D 01 C F0020 DELTA 2C 19 display ERF2000D 01 C F0027 DELTA 2C 20 display ERF2000D 02 B F0061 D3 1C 21 display ERF2000D 02 B F0025 D3 1C 22 display ERF2000D 02 D F0041 D3 1C 23 display ERF2000D 02 D F0062 D3 1C 24 display ERF2000D 02 B F0043 D3 1C 25 display ERF2000D 02 A F005C D3 1C 26 display ERF2000D 02 A F005D D3 1C 27 display ERF2000D 02 D F005E D3...

Page 7: ...UELLE 186 156 FZ room NTC sensor SW1 SW10 LD7 LD4A LD6A LD7A 21 ZS QUELLE226 FZ room NTC sensor SW1 SW10 LD7 LD4A LD6A LD7A 22 MA FZ STD QUELLE room NTC sensor SW10 LD7 LD4A LD6A LD7A 23 MA FZ MAXI QUELLE room NTC sensor SW10 LD7 LD4A LD6A LD7A 24 296 C ZAN room NTC sensor SW1 LD4A LD7 SW10 LD6A LD7A 25 MA ELUX FSX14532 room NTC sensor LD4A LD6A LD7A 26 MA ELUX FSX16532 FSX18532 room NTC sensor LD...

Page 8: ...6 green BI 2C 17 LD2 LD5 DISP1 e DISP2 green DELTA 2C 18 LD2 LD5 DISP1 e DISP2 green DELTA 2C 19 LD2 LD5 DISP1 e DISP2 green DELTA 2C 20 LD5 e DISP2 green LD6B red D3 1C 21 LD5 e DISP2 green LD6B red D3 1C 22 LD5 e DISP2 green LD6B red D3 1C 23 LD5 e DISP2 green LD6B red D3 1C 24 LD5 e DISP2 green LD6 yellow D3 1C 25 LD5 e DISP2 green LD6 yellow D3 1C 26 LD5 e DISP2 green LD6 yellow D3 1C 27 LD5 e...

Page 9: ...onic boards Rev 01 9 30 2 PICTURES 2 1 PB KEY GTH1 FREEZER COMPRESSOR TRIAC GTH2 REFRIGERATOR COMPRESSOR TRIAC GTH3 LAMP TRIAC GTH4 FAN TRIAC VDR OVERVOLTAGE PROTECTION FUSE GENERIC PROTECTION T TRANSFORMER BZ BUZZER µC MICRO CHECKER ...

Page 10: ... REFRIGERATOR TEMPERATURE DECREASE BUTTON SW5 REFRIGERATOR SUPER COOLING BUTTON SW6 FREEZER ON OFF BUTTON SW7 FREEZER TEMPERATURE INCREASE BUTTON SW8 FREEZER TEMPERATURE DECREASE BUTTON SW9 FREEZER SUPER BUTTON SW10 ALARM RESET BUTTON DISP1 REFRIGERATOR DISPLAY DISP2 FREEZER DISPLAY LD3 REFRIGERATOR SUPER COOLING LED LD5 SYMBOL LED LD6 FREEZER SUPER LED LD7 ALARM LED ...

Page 11: ...v 01 11 30 2 3 BI 1C KEY SW1 ON OFF BUTTON SW2 TEMPERATURE INCREASE BUTTON SW3 TEMPERATURE INCREASE BUTTON SW4 FREEZER SUPER BUTTON SW5 ALARM RESET BUTTON SW6 REED ELEMENT DGT1 DISPLAY DL1 SYMBOL LED DL2 ALARM LED DL3 FROSTMATIC LED DL4 ON OFF LED ...

Page 12: ...TURE DECREASE BUTTON SW6 REFRIGERATOR ON OFF BUTTON SW7 REFRIGERATOR SUPER COOLING BUTTON SW8 REFRIGERATOR TEMPERATURE INCREASE BUTTON SW9 REFRIGERATOR TEMPERATURE DECREASE BUTTON SW10 ALARM RESET BUTTON DGT1 REFRIGERATOR DISPLAY DGT2 FREEZERDISPLAY DL1 FREEZER SUPER LED DL2 REFRIGERATOR FROSTMATIC LED DL3 ALARM LED DL4 SYMBOL LED DL5 REFRIGERATOR ON OFF LED DL6 LED SYMBOL DL7 FREEZER ON OFF LED ...

Page 13: ...EFRIGERATOR TEMPERATURE DECREASE BUTTON SW5 REFRIGERATOR SUPER COOLING BUTTON SW6 FREEZER TEMPERATURE DECREASE BUTTON SW7 FREEZER TEMPERATURE INCREASE BUTTON SW9 FREEZER SUPER BUTTON SW10 ALARM RESET BUTTON DISP1 REFRIGERATOR DISPLAY DISP2 FREEZER DISPLAY LD1 REFRIGERATOR ON OFF LED LD2 SYMBOL LED LD3 FREEZER SUPER LED LD5 SYMBOL LED LD6 REFRIGERATOR FROSTMATIC LED LD7 ALARM LED ...

Page 14: ...T SW6 FREEZER ON OFF BUTTON SW7 FREEZER TEMPERATUER INCREASE BUTTON SW8 FREEZER TEMPERATURE DECREASE BUTTON SW9 FREEZER SUPER BUTTON SW10 ALARM RESET BUTTON DISP2 FREEZER DISPLAY LD4A B FREEZER ON OFF LED LD5 SYMBOL LED LD6 6B SUPER RESET ALARM LED LD6A SUPER LED LD7 7A ALARM RESET LED ...

Page 15: ... SW1 REED ELEMENT SW6 FREEZER ON OFF BUTTON SW7 FREEZER TEMPERATURE INCREASE BUTTON SW8 FREEZER TEMPERATURE DECREASE BUTTON SW9 FREEZER SUPER BUTTON SW10 ALARM RESET BUTTON DISP1 REFRIGERATOR DISPLAY DISP2 FREEZER DISPLAY LD5 SYMBOL LED LD6 FREEZER SUPER LED LD7 ALARM LED ...

Page 16: ...le to modify the set temperature by pushing the temperature increase or decrease within these 5 seconds The display stops flashing and shows the temperature detected inside the freezer The minimum On time of the compressor is 1 2 minutes The minimum Off time varies from 5 to 20 minutes 3 3 Control of freezer compartment The switching on and off of the compressor of the freezer compartment are cont...

Page 17: ...ed inside the refrigerator The min On time of the compressor in the refrigerator compartment is 1 2 min The min Off time is 5 min 3 7 Control of refrigerator compartment The compressor is activated when both the air sensor and the evaporator sensor detect the cut in temperature and is deactivated when the temperature detected by the air sensor reaches the cut out temperature Only for 4 star models...

Page 18: ... 3º C has been introduced The set value is indicated for the temperatures included between this interval The real value is indicated for temperatures not included between this interval The refrigerator thermometer has an updating speed of the shown temperature of 1º C every 2 10 min according to the versions both when the temperature increases and decreases 3 11 Demo Mode The Demo Mode function re...

Page 19: ...aximum reached temperature for 5 seconds When the appliance is installed for the first time and if the freezer compartment is warm the temperature alarm buzzer sounds and must be switched off by pushing the relative button 4 2 Refrigerator compartment temperature alarm optional Some models feature the refrigerator compartment temperature alarm which activates when the temperature in the refrigerat...

Page 20: ... or power it means that there is an incompatibility between the electronic boards and the appliance cannot operate To solve the problem it is necessary to verify the spare part nos of the electronic boards 4 5 Eeprom error alarm If the display shows the letter P it means that one or more electronic boards are faulty in writing reading the Eeprom parameters and the appliance cannot operate To solve...

Page 21: ...ensor the refrigerator display will show symbol Refrigerator faulty evaporator sensor the refrigerator display will show symbol depending on the electronic version the refrigerator continues to operate thanks only to the indications of the air sensor for more details please refer to parag 7 3 Freezer faulty air sensor the freezer display will show the symbol At extreme temperatures alarm levels ma...

Page 22: ...ERF2000 Functions of the electronic boards Rev 01 22 30 The NTC sensors have the following temperature resistance characteristic ...

Page 23: ...e temperature setting some Electrolux models steady light It indicates that the refrigerator temperature is higher than 9 C and the display is single 0 steady light It indicates that the refrigerator temperature is between 2 C and 0 C flashing light It indicates that the refrigerator temperature is lower than 2 C H steady light It indicates the Holiday function A or SP steady light It indicates th...

Page 24: ... this temperature is returned to lower value after the alarm 39 8 steady light It indicates the highest temperature in the compartment after a current interruption shown for 5 sec after pushing reset button Simultaneously the pilot lamp switches off A o SP steady light It indicates the super cooling function steady light Air sensor fault in the freezer E steady light It indicates incompatibility b...

Page 25: ... within 15 seconds after the connection of the power supply to the appliance Wait 5 seconds before releasing the button The buzzer sounds with a long signal all the Leds and the digits of the display board VB are on and all the loads of the power board are activated By opening the door the alarm Led switches off for the 4 stars appliances the Super Led switches off When one of the buttons is press...

Page 26: ...EPROM code 7 The buzzer sounds with a short signal 8 The display shows 2 fourth digit EEPROM code 9 The display clears and the buzzer sounds with a long signal 10 The display shows b software code 11 The buzzer sounds with a short signal 12 The display shows C software code 13 The buzzer sounds with a short signal 14 The display shows 0 software code 15 The buzzer sounds with a short signal 16 The...

Page 27: ...ast digit is not followed by a short signal the display switches off the buzzer sounds with a long signal the display shows digits letters of the software version code alternated by a short signal of the buzzer the last digit is not followed by a short signal the display switches off the buzzer sounds with a long signal the display shows letter E then the buzzer sounds with a short signal and faul...

Page 28: ...r the door closure 8 2 Version for DYNAMIC COOLER 8 2 1 Differences between the dynamic cooler model and a traditional model The Dynamic Cooler models are featured with a fan which distributes the air in the refrigerator compartment uniforming the temperatures and reducing to 1 C the temperature vertical gradient of the compartment This fan switches on immediately when the cut in temperature both ...

Page 29: ...Rev 01 29 30 8 2 3 Effect on the loads of the door opening in DME Dynamic Mini Evaporator appliances When the door is opened it occurs as follows The fan is immediately stopped If the door remains open for more than a minute the compressor stops ...

Page 30: ...RF2000 Functions of the electronic boards Rev 01 30 30 Appendix A Revisions REVISION DATE DESCRIPTION 00 10 2007 Document creation 01 01 2008 Added symbol of evaporator sensor faulty in chapters 5 and 6 ...

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