Electrolux REFRIGERATION - Default Chapter; Table of Contents

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- ITZAA 2/31 599 38 97-89

CONTENT

1 INTRODUCTION ....................................................................................................................................... 3

2 AIR CIRCULATION.................................................................................................................................... 6

3 REFRIGERATION CIRCUIT...................................................................................................................... 7

4 ELECTRIC WIRING................................................................................................................................... 8

5 COMPONENTS ....................................................................................................................................... 10

5.1 Controls on air box........................................................................................................................... 10

5.2 Electronic board............................................................................................................................... 10

5.2.1 Power and display board ERF550.......................................................................................... 11

5.3 Cooler compartment ........................................................................................................................ 13

5.3.1 Temperature sensor ............................................................................................................... 14

5.3.2 Air box..................................................................................................................................... 14

5.3.2.1 Air box fan .................................................................................................................... 15

5.3.2.2 Cooler door switch........................................................................................................ 15

5.4 Freezer compartment ...................................................................................................................... 16

5.4.1 Cold module fan...................................................................................................................... 17

5.4.2 Defrosting heater .................................................................................................................... 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 switches........................................................................... 25

7.2 Air box.............................................................................................................................................. 27

7.3 Compressor compartment ............................................................................................................... 28

8 TROUBLESHOOTING............................................................................................................................. 29

8.1 Water leakage inside the freezer compartment............................................................................... 29

8.2 Failed defrosting: ............................................................................................................................. 29

9 SPECIAL FUNCTIONS............................................................................................................................ 30

9.1 Manual defrosting ............................................................................................................................ 30

10 DISPLAY SYMBOLS ............................................................................................................................... 31