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Service Manual

MSFR19010 EN

(December 2019)

Related models:

RBF 78720
RBF 78630
RBF 74620

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Summary of Contents for RBF 74620

Page 1: ...Service Manual MSFR19010 EN December 2019 Related models RBF 78720 RBF 78630 RBF 74620 ...

Page 2: ...al MSFR19010 EN 1 Contenido 1 Introduction 2 2 General description 2 3 Control panel 3 4 General operation 3 5 Service test 5 6 Error messages 6 7 Wiring diagram RBF 78630 74620 8 8 Wiring diagram RBF 78720 9 9 Refrigerant circuit 10 10 Components 11 ...

Page 3: ... RBF range refrigerators how to enter the service mode and the meaning of the different error messages that could be displayed 2 General description All the models in the RBF range are electronic no frost refrigerators The temperature in each compartment can be adjusted independently and there s no air flowing from one to the other ...

Page 4: ...d temperature is shown in the display After a few seconds the value is set in memory 4 General operation The range of values that can be set for each compartment are Refrigerator 2ºC a 8ºC Freezer 16ºC a 24ºC The compressor will be on until both compartments reach the target temperature For example if the target temperature in the refrigerator is reached but the temperature in the freezer isn t th...

Page 5: ...ture higher than 5ºC the next steps are executed The compressor and fan turn on for 5 seconds The defrost element turns on for 5 seconds The heater element in the refrigerator turns on for 5 seconds Refrigerator s fan turns on for 5 seconds After this sequence ends the refrigerator stops for 5 minutes and then will start to work normally After a black out settings are kept in memory so they won t ...

Page 6: ...ost might be finished manually by using the cooling set button Holiday icon goes off and display returns to initial service mode Automatic defrost operates according to the standard defrost time Holiday icon goes off when he when the manual defrost ends and display returns to initial service mode TOUCHING M MODE BUTTON 3 TIMES Motor Damper control mode only models with damper Fast Cooling icon bli...

Page 7: ...2 y 5 SR FF35 Failure in 3 y 5 SR FH02 Failure in 1 3 y 5 SR FH04 Failure in 1 2 y 3 SR FH05 Failure in 1 2 y 5 SR FH06 Failure in 2 3 y 5 SR FU00 Failure in all the sensors SR FO05 Failure in compressor 3 Temperature is above 10ºC after 10 minutes working SR FO06 Failure in defrosting cycle 3 Temperature does not reach 0ºC Muestra en ambos displays _ Low voltage Voltage is under 170 V Parpadea di...

Page 8: ... compare it with the table in section 8 If the sensor is open value or short circuited value 0Ω it must be replaced If the previous steps are correct the control board must be replaced In order to avoid fake alarms error messages won t be displayed under the following conditions Within 6 hours after plugging the appliance to the power supply Within the defrost cycle Within 2 hours after a defrost ...

Page 9: ...Service Manual RBF 78720 78630 74620 Service Manual MSFR19010 EN 8 7 Wiring diagram RBF 78630 74620 ...

Page 10: ...Service Manual RBF 78720 78630 74620 Service Manual MSFR19010 EN 9 8 Wiring diagram RBF 78720 ...

Page 11: ...Service Manual RBF 78720 78630 74620 Service Manual MSFR19010 EN 10 9 Refrigerant circuit ...

Page 12: ...0 C 3 9kΩ 20 C 15kΩ 5 5 C 4 7kΩ 24 C 18kΩ 1 5 C 5 6kΩ 31 5 C 27kΩ 0 C 6kΩ 35 5 C 33kΩ Desescarche Tª ºC R KΩ Tª ºC R KΩ 45 C 2 15kΩ 1 C 17 1kΩ 35 C 3 26kΩ 3 C 19kΩ 30 C 4 02kΩ 5 C 21 1kΩ 25 C 5kΩ 7 C 23 5kΩ 19 C 6 53kΩ 12 C 30 8kΩ 14 C 8 23kΩ 15 C 36 5kΩ 10 C 9 95kΩ 20 C 48 6kΩ 5 5 C 12 3kΩ 24 C 61 5kΩ 1 5 C 15kΩ 31 5 C 98kΩ 0 C 16 3kΩ 35 5 C 12 6kΩ Important To check the temperature sensors They ...

Page 13: ...010 EN 12 Fans Refrigerator fan Supply voltage 12 VDC Freezer fan Supply voltage 230 VAC Condensator fan only RFB 78720 Supply voltage 12 VDC Compressor Supply voltage 230 VAC 50 Hz Model RBF 78630 has an inverter compressor powered by an specific power board ...

Page 14: ...630 74620 Service Manual MSFR19010 EN 13 Defrosting element RBF 78630 74620 Supply voltage 230 VAC Power 124 W RBF 78720 Supply voltage 230 VAC Power 160 W Thermal fuse The thermal fuse breaks if the temperature reaches over 77ºC ...

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