SERVICE MANUAL REFRIGERATION
© ELECTROLUX HOME PRODUCTS |
Publication |
Customer Care - EMEA |
number |
Training and Operations Support |
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Technical Support |
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599 73 16-11 |
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EN |
Edition: 2011-05 - Rev. 02 |
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ERF2001
ERF2530
TABLE OF CONTENTS
1 |
Purpose |
3 |
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2 |
Precautions |
3 |
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3 |
General characteristics |
4 |
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4 |
Service Mode |
5 |
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4.1 |
Service Mode Activation |
5 |
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4.2 |
Component test |
5 |
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4.3 |
User Interface visual test |
5 |
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4.4 |
AC output test |
7 |
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4.5 |
Digital output test |
8 |
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4.6 |
Damper test |
9 |
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4.7 |
Digital input test |
9 |
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4.8 |
Temperature probe test |
10 |
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4.9 |
Software and Parameters |
10 |
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4.10 |
Life time display |
11 |
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4.11 |
Final phase |
11 |
5 |
Service Mode Summary |
12 |
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6 |
Demo Mode |
13 |
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6.1 |
User Interface SRS (old software, until March 2011) |
13 |
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6.2 |
User Interface SRS (new software, from April 2011) |
13 |
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6.3 |
User Interface SHD |
14 |
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6.4 |
User Interface SLD |
15 |
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6.5 |
User Interface SPX (old software, until March 2011) |
15 |
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6.6 |
User Interface SPX (new software, from April 2011) |
16 |
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6.7 |
User Interface KNB |
17 |
REVISIONS:
Revision |
Date |
Description |
Author |
Approved by - on |
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00 |
06/2010 |
Document creation |
PR |
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01 |
09/2010 |
Added variants on “Service Mode” activation and |
PR |
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Summary |
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02 |
05/2011 |
Document Updated; Demo Mode chapter added |
PR |
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Technical Support - PR |
2/17 |
599 73 16-11 Rev.02 |
1 PURPOSE
The purpose of this manual is to provide service personnel (who already have the basic knowledge necessary for repairing refrigerators and freezers) with information on appliances equipped with the ERF2001 or ERF2530 electronic control system.
This Manual describes:
•User Interfaces that could be connected with
•Service Mode activation
•Tests that could be processed
2PRECAUTIONS
Electrical appliances must be serviced only by qualified Service Engineers.
Always remove the plug from the power socket before touching internal components.
Technical Support - PR |
3/17 |
599 73 16-11 Rev.02 |
3 GENERAL CHARACTERISTICS
The main electronic can be connected to different types of user interfaces. The main electronic communicates to the not insulated user interfaces via six wires.
ERF2001 Main electronic
ERF2001 Main electronic
(AEG)
(Delta)
SRS
LED + digits
1 compartment
(Bi)
SHD
LCD ENV06 on top
SLD
LCD Smart-design
KNB
Knob
KNB
MiniKnob
Technical Support - PR |
4/17 |
599 73 16-11 Rev.02 |
4 SERVICE MODE
4.1Service Mode Activation
The activation of the Service Mode is depends on the Software, which is loads on the electronic. There are two variants of activation in the Service Mode
Variant 1:
•Switch on the appliance
•Open the door
•Unplug the appliance
•Plug in the appliance
Variant 2:
• Switch on the appliance Then valid for both:
oAfter 6 sec. pressing any push button (from now on this button will be the „next“-key) except the On/Off-button for 5 sec. The push button must be pressed in the timeframe from 6 to 16 sec, otherwise the Service Mode is not activated.
The Service Mode activation is confirmed by a short beep from the buzzer device.
Each other push button will be the “action-key” when pressed after that.
Definition of “next-key” and “action-key”:
•the „next“-key can be any push button except the On/Off-button. With the „next“-key, you can activate the Service Mode and you can change in a new test-phase.
•the „action“-key can be any push button except the „next“-key. With the „action“-key, you can switch on and off the components.
4.2Component test
The component tests are different notified in the several phases on the user interface.
All LEDs on or off |
Æ |
SRS |
LED + digits |
„FLOWER“-sign on or off |
Æ |
SHD |
LCD ENV06 |
“UMBRELLA”-sign on or off |
Æ |
SPX |
LCD Perfect10 on top |
„SNOWFLAKE“-sign on or off |
Æ |
SLD |
LCD Smart-Design |
Potentiometer: |
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Completely counter clockwise LEDs off |
Æ |
KNB |
Knob and MiniKnob |
Completely clockwise LEDs on |
Æ |
KNB |
Knob and MiniKnob |
4.3User Interface visual test
Depending on the version of the appliance, all notification on the display and LEDs are switched on. Pressing the push button „next“.
SRS, SHD, SPX, SLD: |
All notifications on the display and LEDs are switched off. The push button |
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„action“ is not used in these phase. |
SLD: |
It starts the potentiometer test. |
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The display will be show. |
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„Cx“ for the cooler knob, |
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„Fx“ for the freezer knob |
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„x“ is a number between 0 and 9 |
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Turn the knob clockwise, „x“ is increasing to „9“ |
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Turn the knob counterclockwise, „x“ is decreasing to „0“ |
Pressing the push button „next“ again to go in the next phase.
Technical Support - PR |
5/17 |
599 73 16-11 Rev.02 |
KNB: |
The potentiometer test starts. When the knob turning clockwise (counter |
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clockwise) the LEDs are switched on (off) step by step. |
Pressing the push button „next“ again to go in the next phase.
Technical Support - PR |
6/17 |
599 73 16-11 Rev.02 |
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