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SERVICE MANUAL
Food preservation
FOR INTERNAL AND PARTNERS USE ONLY
© ELECTROLUX HOME PRODUCTS
Consumer Service - EMEA
Quality & Continuous Improvement - Technical Support
Q&CI - Technical Support
COLD APPLIANCES WITH ELECTRONIC
1
CONTROL SYSTEM
ERF2003
EN
Publication number
599 83 72-33
Edition: 06/2020 - Rev. 00
599 83 72-33
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Related Manuals for Electrolux ERF2003
Summary of Contents for Electrolux ERF2003
- Page 1 Food preservation Publication number 599 83 72-33 Edition: 06/2020 - Rev. 00 FOR INTERNAL AND PARTNERS USE ONLY © ELECTROLUX HOME PRODUCTS Consumer Service - EMEA Quality & Continuous Improvement - Technical Support Q&CI - Technical Support 599 83 72-33...
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Page 2: Purpose Of This Manual
PURPOSE OF THIS MANUAL The purpose of this Service Manual is to provide Service Engineers who are already familiar with repair procedures with information regarding the PCB. The manual deals with the following topics: o PCB general characteristics o Disassembly Document Revisions Rev. - Page 3 ERF2003 GENERAL CHARACTERISTICS The main electronic ERF2003 can be connected to different types of user interfaces. The main electronic communicates through a serial interface when the insulation isn’t needed via six wires and through a standard protocol based on MACS with insulated user interface via three wires.
- Page 4 ERF2003 DISSASEMBLY 1. Unscrew the four screws and remove the panel 2. Unclip the cover on the left and right side 3. Remove two screws and pull out the electronic. Q&CI - Technical Support 599 83 72-33...
- Page 5 P10 USER INTERFACE Overview Interface with five touch keys for single appliances, freezer or fridge. In combi appliances the interface has 7 touch keys. Icons depends on the model. 7 touch keys for combi appliances: P10 on door 5 touch keys for fridge or freezer appliance: ERF967 –...
- Page 6 P10 DEMO MODE Demo mode can only be activated when the air temperature is warmer than 10°C in the compartment or the temperature probes are disconnected. Demo Mode remains active if there is a power failure or the appliance is switched off. Demo mode touch keys Touch Command...
- Page 7 P10 SERVICE MODE Activation of Service mode depends on type of appliance and the UI. Service mode can be started with a cold or warm appliance. The only exception is when testing the digital input heater switch that requires a cold appliance. Activate Service mode on built-in appliances Command Button...
- Page 8 SERVICE MODE DIGITAL INTERFACE Each phase is identified by an index displayed on the UI. When the index represents hardware (AC or DC output and digital input) the visual indicator shows the hardware state. The visual indicator varies between UIs (flower, umbrella, snowflake, ECO).
- Page 9 Description Index Action key Pipe/Fill tube 2 heater Toggles load on/off. Auger motor test The auger motor stops when Service Mode starts. Description Index Action key Auger motor “Action” command rotates the auger motor clockwise, another action command rotates it anticlockwise. If the auger motor is not a two-direction motor, it stops.
- Page 10 Damper test The damper is closed when Service mode starts. Action key Description Index Toggles damper open /close Refrigerator damper Toggles damper open /close Remote damper Toggles damper open /close Zero-degree damper Flapper test The Ice flapper is closed when Service Mode starts. Description Index Action key...
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Page 11: Heater Switch
LED and indicator on – open. Off - closed How to test the Heater switch is related to the associated power board: • ERF2002, ERF2003, ERF1600: Activate index 2 (Freezer evaporator heater) before checking the Heater switch. ERF2001 and ERF502L: Check Heater switch without activating index 2 •... - Page 12 SOFTWARE AND PARAMETERS Software and parameters are visualized at the end of service mode. Depends on the number of microprocessor, user interface and power board. All codes of software and parameters are shown on the display Software Software code ( 8 numeric characters ) PB software name ( 8 characters) PB software production ( 8 characters) UI software name ( 8 characters)
- Page 13 AZZURRA USER INTERFACE The touch key is positioned at the bottom or to the right of the display. Electrolux brand: White LEDs AEG brand: Red LEDS Private labels/key accounts: Red LEDs When the UI is used in combi appliances it covers both the refrigerator and freezer, but the user can only toggle the fridge temperature.
- Page 14 AZZURRA ERF908 Processor Front Six LED’s for temperature and boost Touch key On / Off Temperature adjustment Back Connection electronic 5V DC Reed-Switch, Open = Door open Ambient- temperature sensor Close = Door closed AZZURRA DEMO MODE Demo mode is not available for Azzurra UI. Q&CI - Technical Support 599 83 72-33...
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Page 15: Activate Service Mode
SERVICE MODE AZZURRA Activation of service mode depends on type of appliance and the UI. Service mode can be started with a cold or warm appliance. The only exception is when testing the digital input heater switch that requires a cold appliance. Activate service mode 1. -
Page 16: Digital Output Test
SERVICE MODE LED COMBINATIONS Service mode feedback consists of light combinations. Table note: FR: Refrigerator, FZ: Freezer, EV: Evaporator AC output test Tests AC loads connected to the appliance, only physically mounted components are displayed. When service mode starts, all components are switched off. AC Load FR compressor FZ compressor... -
Page 17: Heater Test
Damper test DC Heater Local damper Remove damper blinking Heater test DC Heater UI anti condensation heater DC frame heater Digital input test Digital input open: light on. Digital input closed: light off. Action key is not used in this phase. Digital input FR door FZ door... -
Page 18: Temperature Alarm
ALARMS Temperature alarm The alarm is activated if the temperature moves outside a set threshold: • The maximum temperature reached is displayed. The alarm stops when the temperature returns within the threshold. Cancel audible alarm Deactivate the alarm by pressing any key. The alarm is muted for 2 minutes in freezers and 10 minutes in refrigerators.
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