Electrolux EDW 500 User manual

Consumer Service - EMEA

Quality & Continuous Improvement - Technical Support

SERVICE MANUAL

DISHWASHERS

FOR INTERNAL AND PARTNERS USE ONLY

For internal and partners use only.

Publication number

599 83 22 - 07

Edition: 08/2019 - Rev. 0

Dishwashers with electronic control system

SERVICE MODE

• EDW 500 • EDW 750

• EDW 1500 • EDW 1510

• EDW 1750

Introduction & Purpose

Technical Support – RA

Chapter

CONTENTS:

Introduction & Purpose Chapter 1

User Interface – Introduction Chapter 2

EDW 500 Chapter 3.1

EDW 750 Chapter 3.2

EDW 1500 Chapter 3.3

EDW 1510 Chapter 3.4

EDW 1750 Chapter 3.4

Purpose:

To describe all the Service Mode functions for the User Interfaces included

on this Service Manual

Abbreviations, Acronyms and Definitions

RTA Remaining time adaptation

MCF Machine Configuration File

NTC

PB100

DIVA2

MCB

ADO

Negative Temperature Coefficient resistor

New platform for dual BLDC machines (Global hydraulic)

Platform with single BLDC control in separate unit (MCB)

Motor Control Board (DIVA2)

Auto Door Opener

Document Revisions

Revision Date Description Author

V0.0 08/2019 Document creation Rui Almeida

Electrical appliances must be serviced only

by qualified Service Engineers.

Always use proper safety equipment.

Always remove the plug from the power

socket before touching internal components.

User interface – Introduction

Technical Support – RA

Chapter

User Interface – Modes and Function description

Reset

“Reset” is a special kind of User Operation to stop or deselect a

running program. In Dorothea range, when this function is

performed, the appliance will be in Startup mode with ECO program

and its default option selected.

Reset can be performed in any state except the Startup mode.

Reset is done by pressing the reset key combination for at least 2

seconds or press the specific button dedicated to this function by

the custom software.

The Reset key combination or specific Reset key is clearly indicated

on the control panel as ‘Reset’ or ‘Cancel’.

User Mode

The full function User Mode includes:

•Water Hardness Setting

•Rinse Aid Level Setting

•End of Cycle Buzzer Setting

•Display on Floor Display Colour Setting

•ADO Setting

According to hardware configuration of the dishwasher and

marketing requirement, User Mode in individual models can be a

subset of above functions.

The User Mode functions are not described in this Service Manual

since they are available on the User Manual.

Service Mode

The full function Service Mode includes:

•Fault Memory Reading

•Actuator Test

•LEDTest

•Functional Test cycle

•Enable/disable Extra Rinse

•Enable/disable Pulse Wash

•LCD brightness setting

•LCD contrast setting

According to hardware configuration of the dishwasher and

marketing requirement, Service Mode in individual models can be a

subset of above functions.

All the Service Mode functions are described on this user Service

Manual.

User interface – Introduction

Technical Support – RA

Chapter

Service Mode – Function description

Alarm Reading and Actuator Test

After accessed Service mode to get the saved alarms and test

actuators.

Details of alarm code displaying are in later Alarm Code section.

LED Test / Delete Alarm Memory

To test the LEDS and erase alarm codes from memory.

Functional Test Cycle

Run a test cycle. It runs as a normal wash cycle. It can be cancelled

or run to its end.

Enable/disable Extra Rinse

An additional cold rinse phase can be added to the cycles to

improve wash performance. In factory (default) settings, this is

disabled.

Use this function to enable or disable the Extra Rinse.

Enable/disable Pulse Wash

Pulse Wash can be disabled from the cycles to improve wash

performance. In factory (default) settings, this is enabled.

Use this function to disable or enable Pulse Wash.

EDW500

Technical Support – RA

Chapter

EDW500

Styling Overview

Location of LEDs, Rotary and Push Buttons

Reset

There are variants of EDW500 models which have only 1 button.

For these single-button models, press and hold the single button to

reset.

Access Service Mode

The Service Mode can only be accessed after the Reset function

has been carried out and the appliance is switched off.

When machine is off, press and hold S1 while switching the

appliance on by turning the rotary to the 1

position on the left (P3),

keep holding the buttons for 4 seconds.

L1 and L2 blink to indicate that Service mode is accessed.

Rotary

EDW500

Technical Support – RA

Chapter

For variants that have only one button, use the only button instead

of S1.

Alarm Reading and Actuator Test

After accessed Service mode (L1 and L2 blinking):

1. Press button S1 to show the first alarm code.

L1 and L2 keeps blinking to indicate the machine is in

service modes.

The first alarm code saved is shown by the blink

sequence of 2 LEDs in the right column. For descriptions

of alarm codes, please see later Alarm Codes section.

2. Press button S1 again to show the second alarm code.

3. Press button S1 once more to show the third alarm code.

4. Press button S1 the fourth time to move to Actuator Test. Press

button S1 repeatedly will sequentially turn on one actuator at a

time.

L1 and L2 blink to indicate the machine is in service

modes. L4 is turned on to indicate the machine is in

Actuator Test.

The following table shows the number of press on S1

and the actuator is turned on.

Num er of

S1 Pressed

Actuator

Num er

in Display

Actuator Comment

4 4 Regeneration Valve

5 5 Drain Pump

6 6 Inlet Valve

O when water

level reached

7 7 Heater

only i water

level reached

8 8 Wash Pump

9 9 Dispenser

10 10 Auto door opening

5. Press button S1 when actuator number 10 is activated, the

machine will cycle back to Alarm reading and show the first

alarm code saved.

6. Switching off the appliance will exit Service mode.

For variants that have only one button, use the only button instead

of S1.

LED Test / Delete Alarm Memory

After accessed Service mode (L1 and L2 blinking):

1. Turn the rotary to the 2

position on the left (P2).

EDW500

Technical Support – RA

Chapter

2. Press button S1 to start this function

All used LEDs blink 5 second on 1 second off.

If a buzzer is equipped, it beeps for 5 seconds.

The alarm codes saved in memory are erased.

3. Switching off the appliance will exit Service mode.

For variants that have only one button, use the only button instead

of S1.

Functional Test Cycle

After accessed Service mode (L1 and L2 blinking):

1. Turn the rotary to the 3

position on the left (P1).

2. Press button S1 to start the test cycle. The cycle will not start if

door is opened.

The test cycle runs as a normal wash cycle. It can be

cancelled or run to its end.

During running, L1 stays on and L2 blinks. If phase

indication LED presented, the ‘Wash’ LED blinks when

the cycle is running. After the cycle ends, the End LED

turns on.

For variants that have only one button, use the only button instead

of S1.

Enable/disable Extra Rinse

Not available for this User Interface.

Enable/disable Pulse Wash

Not available for this User Interface.

EDW750

Technical Support – RA

Chapter

EDW 750

Styling Overview

Location of LEDs, Rotary and Push Buttons

Reset

Access Service Mode

The Service Mode can only be accessed after the Reset function

has been carried out and the appliance is switched off.

When machine is off, turn the rotary to the top position (P5).

Rotary

EDW750

Technical Support – RA

Chapter

Press and hold button S1+S3 simultaneously while switching the

appliance on, keep holding the buttons for 4 seconds.

L1, L2 and L3 blink to indicate that Service mode is accessed.

Alarm Reading and Actuator Test

After accessed Service mode (L1, L2 and L3 blinking):

1. Press button S1 to show the first alarm code.

L1 blinks to indicate the machine is in Alarm Reading.

The first alarm code saved is shown in the display.

2. Press button S1 again to show the second alarm code.

3. Press button S1 once more to show the third alarm code.

4. Press button S1 the fourth time to move to Actuator Test. Press

button S1 repeatedly will sequentially turn on one actuator at a

time.

L1 is turned off. L2 blinks to indicate the machine is in

Actuator Test.

The actuator number is shown in the display.

5. Press button S1 when actuator number 10 is activated, the

machine will cycle back to Alarm reading and show the first

alarm code saved.

6. Switching off the appliance will exit Service mode.

Num er of

S1 Pressed

Actuator

Num er

in Display

Actuator Comment

4 4 Regeneration Valve

5 5 Drain Pump

6 6 Inlet Valve

when water

level reached

7 7 Heater

On only i water

level reached

8 8 Wash Pump

9 9 Dispenser

10 10 Auto door opening

EDW750

Technical Support – RA

Chapter

LED Test / Delete Alarm Memory

After accessed Service mode (L1, L2 and L3 blinking):

1. Press button S2 to start this function.

All used LEDS and display (show “8:88”) blinks 5 second

on 1 second off.

If a buzzer is equipped, it beeps for 5 seconds.

The alarm codes saved in memory are erased.

2. Switching off the appliance will exit Service mode.

Functional Test Cycle

After accessed Service mode (L1, L2 and L3 blinking):

1. Press button S3 to start the test cycle. The cycle will not start if

door is opened.

L3 blinks for the duration of the test cycle.

Display shows the remaining time of test cycle.

Press button S3 to start the test cycle. The cycle will not start if door

is opened.

L3 blinks for the duration of the test cycle.

Display shows the remaining time of test cycle.

3. The test cycle runs as a normal wash cycle. It can be cancelled

or run to its end.

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