Service Documentation Customer Service

Customer Service

Service Manual No. 05/2015 version 02 LWL/CS-wop/15.05.19

Page 1/22 05201502SM_en.docx

Appliance Documentation

EKc(br,n) 1424, 1714, 2514 from Index 20A / Version 009, 010 Comfort, A++

With LED interior light

Built-in appliance with décor panel and with 4-star compartment

EKcn 2514

EKc 1424

Contents

1.0 Operating and control elements ... 3

2.0 Functions at a glance ... 3

3.0 Description of appliance ... 4

3.1 Sensor positions, schematic diagrams ... 4

4.0 Main components and their functions ... 5

4.1 Electrical components and functions ... 5

4.1.1 General ... 5

4.1.2 Refrigerator compartment ... 5

4.2 Refrigeration components and functions ... 7

4.2.1 General ... 7

4.2.2 Refrigerator compartment ... 7

4.2.3 Freezer compartment ... 7

4.2.4 Principle of operation of the refrigerating system ... 7

5.0 Assembly instructions / Parts replacement ... 8

5.1 General ... 8

5.1.1 Electronics ... 8

5.2 Refrigerator compartment ... 11

5.2.1 Air sensor ... 11

5.2.2 Evaporator sensor ... 11

5.2.3 Interior light ... 12

5.2.4 Door magnet ... 13

5.2.5 Condenser fan ... 14

6.0 Technical Data ... 17

6.1 General ... 17

6.2 Refrigerator compartment ... 17

7.0 Service menu ... 18

7.1 Brief overview of service menu ... 18

7.2 Demo mode D ... 19

7.3 Control panel test P ... 20

7.4 Sensor test (display of temperature) and door contact test E- ... 21

7.5 Service mode L ... 22

8.0 Error code, troubleshooting ... 22

8.1 Table of error codes ... 22

1.0 Operating and control elements

Refrigerator compartment 1 On/Off ON/OFF button

2 SuperCool SuperCool function 3 Temperature display

4 Up/Down Setting button temperature higher/lower

2.0 Functions at a glance

Control: Electronics

Temperature display: Target value Temperature range: +1°C to +9°C Temperature alarm: Not featured Door alarm: Not featured

Fan: Not featured

Defrosting: Refrigerator compartment: automatic Freezer compartment: manual

Interior light: Refrigerator compartment: Featured Freezer compartment: Not featured Service menu: Featured

Compressor: Standard

4

1 2

A

3

3.0 Description of appliance

The EKc(br,n) 1424, 1714, 2514 are built-in refrigerators with décor panels. They are controlled via an integral PCB and two sensors (evaporator and air). The display shows the desired target value. The appliance features a compressor. The condenser is located in the base compartment and is cooled by a fan.

Special features:

- The evaporator sensor is foamed-in as per standard. For repairs, the evaporator sensor is attached to the inner liner with a separate holder.

- Ventilation is via the appliance’s base compartment.

3.1 Sensor positions, schematic diagrams

* Repair kit for sensors, comprising evaporator sensor + air sensor + cover.

LED interior light Electronics Foamed-in 4-star compartment

evaporator Foamed-in rear wall

evaporator

Air sensor*

Evaporator sensor*

Panel heater

Condenser

Fig. 3.1/ 1: EKc 1424 Fig. 3.1/ 2: EKc 1424

Condenser fan

4.0 Main components and their functions

4.1 Electrical components and functions 4.1.1 General

Electronics

Type: Series 4 electronic control system Components: Integral PCB

Compressor

Type: Standard

4.1.2 Refrigerator compartment Electronics

Setting range: Refrigerator compartment: +1°C to +9°C Display range: +1°C to +9°C (target value display)

Functions

SuperCool: SuperCool ON:

Refrigerator compartment is set to +1°C for 12 hours.

SuperCool OFF:

The refrigerator compartment adjusts itself to the set target value.

Defrosting: - Automatic during compressor standstill phase.

- For colder target value settings, (+1°C, +2°C, +3°C), the compressor standstill phase is extended every 12 hours.

- From Index 20D: Every 12 hours until the evaporator probe reaches + 7°C.

Note: Replacing the electronics also affects earlier models.

Sensors

Air sensor Position: In the sensor holder on the right-hand side wall.

Function: Switches the compressor OFF.

Evaporator sensor: Position: Foamed-in behind the inner liner rear wall.

Function: - Switches the compressor ON.

- Ends the defrost phase.

Ambient sensor: Position: On the integral PCB.

Function: During cooler ambient temperatures, it switches on the panel heater.

Switches

Door switch: Position: On integral electronics.

Type: Magnetic field sensor Function: Activation via:

Magnet in the door. Magnet is foamed-in, not replaceable.

Switching signal when:

Door closed: Interior light OFF

Door open: Interior light ON

Consumers / Loads

LED interior light: Position: Inside left.

Function: - Lights up as soon as door is opened.

- Is switched OFF after door has been open for 15 minutes.

Panel heater Position: Foamed into the compressor step.

Function: Is activated automatically, depending on the ambient temperature sensor, in order to achieve adequate freezer compartment temperatures even with cooler room temperatures.

Condenser fan Position: In the compressor recess.

Function: Runs in parallel with the compressor in order to dissipate the heat

of the block wire condenser.

4.2 Refrigeration components and functions 4.2.1 General

Compressor

Compressor: Standard compressor Condenser

Condenser Block wire condenser

4.2.2 Refrigerator compartment Evaporator

Type of appliance: Rear wall evaporator Type of installation: Foamed-in

Injection point: Top centre

Flow sequence: See 4.2.4 Principle of operation of the refrigerating system

4.2.3 Freezer compartment Evaporator

Type of appliance: Wrapped evaporator tube Type of installation: Foamed-in

Injection point: Rear

Flow sequence: Back to front

4.2.4 Principle of operation of the refrigerating system

Fig. 4.2.4/ 1

Compressor Condenser

Refrigerator compartment evaporator

4-star

compartment

evaporator

5.0 Assembly instructions / Parts replacement

5.1 General 5.1.1 Electronics

Covers: Disengage the covers on the marked locations.

Fig. 5.1.1/ 1 Fig. 5.1.1/ 2

Front panel: Unlock locating lug of the front housing.

Fig. 5.1.1/ 3

PCB carrier: - Draw out front housing in a forward direction.

- Disengage and pull off connector.

Fig. 5.1.1/ 4

PCB carrier: - Release the marked locking devices.

- Swing the PCB carrier towards the rear to open.

Fig. 5.1.1/ 5

Fig. 5.1.1/ 6

For installation, first insert the PCB carrier as shown in Fig. 5.1.1/ 7 and then click into place in the front panel in a forward motion.

Fig. 5.1.1/ 7

PCB: - Release the marked locking devices

- Remove integral electronics with the unlocked side upwards first from the PCB carrier.

Fig. 5.1.1/ 8

Insert keymat into front panel before installation.

Fig. 5.1.1/ 9

Fig. 5.1.1/ 10

Guide plate from magnet to reed PCB

Keymat

Integral electronics

PCB carrier

Keymat

Front panel

5.2 Refrigerator compartment 5.2.1 Air sensor

Air sensor: Replace air sensor using the corresponding repair kit.

Repair instructions accompany the repair kit.

Fig. 5.2.1/ 1 Fig. 5.2.1/ 2

5.2.2 Evaporator sensor

Evaporator sensor: Evaporator sensor is foamed-in as per standard and has to be replaced using the corresponding repair kit in case of defect.

Repair instructions accompany the repair kit.

Fig. 5.2.2/ 1 Fig. 5.2.2/ 2

Air sensor holder after repair Air sensor holder

Position of the foamed-in evaporator sensor

Position of the evaporator sensor

after repair

5.2.3 Interior light

Disconnect appliance from the mains supply, as 230V is applied to LEDs!

LED light housing: - Insert screwdriver (size 1) into housing opening (Fig. 5.2.3/ 2).

- Gently turn the screwdriver to loosen the lock.

- Pull off the LED light housing.

- Depress the connector lock and disconnect the connector (Fig. 5.2.3/ 4).

LED lighting unit:

- Push in the locating lugs as shown in Fig. 5.2.3/ 5.

- Swivel the LED PCB upwards.

Holder: Lever off the holder at the marked locations with the screwdriver (Fig. 5.2.3/ 6).

Fig. 5.2.3/ 5

LED lighting unit

Fig. 5.2.3/ 6

Holder Fig. 5.2.3/ 2

Fig. 5.2.3/ 1

LED light housing

Connector lock

Fig. 5.2.3/ 4

Fig. 5.2.3/ 3

5.2.4 Door magnet

Door magnet: - Door magnet is foamed-in above the door seal in the top of the door.

 Door magnet cannot be replaced!

Door magnet

Fig. 5.2.4/ 1

5.2.5 Condenser fan

Condenser cover: Unclip the cover.

Detents: - Unclip the cover of the cable shaft.

- Undo the detents of the compressor.

Defrost water tray: - Remove fastening screw.

- Unclip the tray, pull out and remove.

Fig. 5.2.5/ 4 Fig. 5.2.5/ 2 Fig. 5.2.5/ 1

Cable shaft

Fig. 5.2.5/ 3

Fig. 5.2.5/ 6

Defrost water tray

Fig. 5.2.5/ 5

Fan mount: - Remove the fastening screw.

- Pull out the mount until it touches the wires.

Swivel out the whole group (compressor, mount, condenser) from the recess.

Twist out mount and put aside.

Fan mount

Fig. 5.2.5/ 8

Fig. 5.2.5/ 10

Fig. 5.2.5/ 12 Fig. 5.2.5/ 11

Fig. 5.2.5/ 7

Fig. 5.2.5/ 9

Connector cover: - Unclip the cover.

- Pull out the connector.

Fan motor: - Pull off the blades.

- Twist the rear holder and remove.

Assembly: Carry out assembly in reverse order.

Note: Fig. 5.2.5/ 17 shows the subsequent end position of the condenser.

Fig. 5.2.5/ 18 shows the guide for the fan mount.

Fig. 5.2.5/ 14

Fig. 5.2.5/ 16

Fig. 5.2.5 / 18 Fig. 5.2.5/ 13

Fig. 5.2.5/ 15

Fig. 5.2.5 / 17

6.0 Technical Data

6.1 General

Sensor values: Air/evaporator sensors

Temperature [°C] Resistance value [kOhm]

+35 3.1

+30 3.8

+25 4.7

+20 5.9

+15 7.3

+10 9.3

+5 11.9

0 15.3

-5 19.8

-10 25.9

-15 34.1

-20 45.3

-25 60.8

-30 82.3

-35 112.8

Panel heater: Output: 7 watts

Voltage: 230 volts/AC

Condenser fan: Output: approx. 3 watts Voltage: 220-240 volts/AC Speed: approx. 1300 rpm.

6.2 Refrigerator compartment

Interior light: Output: 4 watts

Voltage: 230 volts/AC

7.0 Service menu

The service menu may only be used by service engineers.

Service menu activation: Press “ON/OFF” + “Up/Down” simultaneously for approx. 5 seconds

7.1 Brief overview of service menu

Activation: Press “ON/OFF” + “Up/Down” simultaneously for approx. 5 seconds Service

menu Menu Action Submenu Action Selection of

functional part Demo

mode

 Up /Do w n

1x SC* d d ^{1x SC*} Demo Mode ON / OFF Panel test

(control panel test)

1x SC* 1x SC* Press sensor buttons, door sensor

Sensor

test 1x SC* 1x SC*

 Up /Do w n : Refrigerator compartment air sensor : Refrigerator compartment evaporator

sensor

: Ambient air sensor

: Refrigerator compartment door contact

Service

mode 1x SC* 1x SC*

 Up /Do w n : All OFF

:Compressor ON : Light ON : Heater ON

* SC = SuperCool

7.2 Demo mode d

Step

Display Action Display following

action

Testing option / Info

Start service menu --Demo mode ON--

1 Target value

Press

“ON/OFF” and

“Up/Down”

simultaneously for 5 seconds

d ^flashes Service menu active

Demo mode selected

2 d ^flashes Press “SuperCool” once d ^static Demo mode ON

selected 3 d ^static Press “SuperCool” once Set target value

and “Demo” Demo mode ON

Start service menu --Demo mode OFF--

1 Target value and “Demo”

Press

“ON/OFF” and

“Up/Down”

simultaneously for 5 seconds

d flashes and

“Demo”

Service menu active Demo mode selected

2 d flashes and “Demo” Press “SuperCool” once d static and

“Demo”

Demo mode OFF selected

3 d static and “Demo” Press “SuperCool” once Target value Demo mode OFF In the display, the text “Demo” provides information of the activated demo mode.

Demo mode can only be deactivated via the service menu, not by OFF / ON or disconnection from the power supply.

The required mode, demo or normal, is switched to as soon as “SuperCool” is pressed.

7.3 Control panel test

Step Display Action Display following

action

Testing option / Info

Start service menu

1 Target value

Press

“ON/OFF” and

“Up/Down”

simultaneously for 5 seconds

d ^flashes Service menu active

Control panel test

-- Test of sensor buttons, display elements, door sensor and beep --

2 d ^flashes Press “Up/Down” once flashes Control panel test

selected

3 flashes Press “SuperCool” once static Control panel test

activated

4 static Press “SuperCool” once All symbols /

segments

Display elements/

More symbols are displayed than are used by the respective electronic unit.

5 All symbols /

segments

Door Closed/Open and press all buttons one after the other

(each action is confirmed with a beep)

- Beep for 2 sec.

- Appliance switches OFF

After pressing the last button, beeps for 2 sec. Beeps only when test was successful.

Termination

Control panel test cannot be terminated, e.g. in the 2nd step; it has to be performed in full.

Should a button/sensor be defective, there is no 2-second beep and the appliance does not switch OFF.

The appliance then has to be unplugged and plugged back in again.

7.4 Sensor test (display of temperature) and door contact test

Step Display Action Display following

action

Testing option / Info

Start service menu

1 Target value

Press

“ON/OFF” and

“Up/Down”

simultaneously for 5 seconds

d ^flashes Service menu active

Sensor test and door contact test (sensor values without offset, appliance in control mode)

2 d ^flashes Press “Up/Down” twice flashes Sensor test mode

selected

3 flashes Press “SuperCool” once static Sensor test mode

activated

4 static Press “SuperCool” once flashes alternately

with sensor temperature

Refrigerator compartment air sensor

5 flashes alternately with sensor temperature

Press “Up/Down” once flashes alternately with sensor

temperature

Refrigerator compartment evaporator sensor

6 flashes alternately with sensor temperature

Press “Up/Down” once flashes alternately with sensor

temperature

Ambient air sensor

7 flashes alternately with sensor temperature

Press “Up/Down” once flashes alternately with o ^or c

Refrigerator compartment door contact ( o =door open,

c =door closed) Termination

Press “ON/OFF” once: Return to level 2 . No further options can be selected for this appliance.

Press “ON/OFF” twice: Return to level 1 Points: d selectable

Press “ON/OFF” three times: Return to normal/control mode

7.5 Service mode

Step Display Action Display

following action

Testing option / Info

Start service menu

1 Target value

Press

“ON/OFF” and “Up/Down”

simultaneously for 5 seconds

d ^flashes Service menu active Service mode

-- Testing electric loads -- Output

2 d ^flashes Press “Up/Down” three

times flashes Service mode selected

3 flashes Press “SuperCool” once static Service mode activated

4 static Press “SuperCool” once static

All OFF

Electronic control system active

1.2 W*

5 static Press “Up/Down” once static Compressor ON --

6 static Press “Up/Down” once static Light ON 2.8 W*

7 static Press “Up/Down” once static Heater ON 6.8 W*

Termination

Press “ON/OFF” once: Return to level 2 . No further options can be selected for this appliance.

Press “ON/OFF” twice: Return to level 1 . Points: d can be selected Press “ON/OFF” three times: The appliance will carry out a reset.

All settings are returned to factory settings.

Return to normal/control mode.

*Values were determined using CLM1000 measuring device.

8.0 Error code, troubleshooting

8.1 Table of error codes

Error code Defective component Emergency mode

Refrigeration ON Refrigeration OFF Refrigerator compartment air

sensor

30 min. 30 min.

Refrigerator compartment

evaporator sensor