service manual mbze45 flagship / ever fresh full no frost fridge-freezer...

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Service ManualMBZE 45 - 2005

Edition18.06.2005

LanguageEnglish

All the parts included in this document are the property of Indesit Company S.p.A.

All rights reserved. This document and the information it contains are supplied without liability for possi-ble errors or omissions; no part of this document can be reproduced, used or copied without writtenpermission or without being authorised by the terms of a contract clause.

SERVICE MANUAL

MBZE45 FLAGSHIP / EVER FRESHFULL NO FROST FRIDGE-FREEZER2005

SERVICE MANUAL

MBZE45 FLAGSHIP / EVER FRESHFULL NO FROST FRIDGE-FREEZER2005

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Edition2005.06.114

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CONTENTS OF THE MANUAL: NOTE FOR THE ENGINEERThis manual is a supporting document for technical personnel. It contains a description of the variousproduct types, the general operating principle, and indications concerning assistance.

Technical personnel should anyway consult the specific model on(servicenet.indesitcompany.com) to access data and updates of electrical diagrams, technical bul-letins, and spare parts.

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CONTENTS

1. OPERATING LOGIC 4-6Product specifications 4EVER FRESH function/Display/Alarms 5Description of the Pneumatic Circuit 6

2. COMPONENTS 7-8

3. WIRING DIAGRAMS 9-11

4. ASSISTANCE 12-16Disassembly 12Removing the HOME BAR Door 12Adjusting the HOME BAR Door 12Removing the HOME BAR Seal 13Removing the Fridge Door 13-16

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1. OPERATING LOGIC:

1.1. PRODUCT SPECIFICATIONS:

NF EVER FRESH VFD

On FR door:6 Buttons: (1) ON/OFF for switching appliance on and off; (2) EVER FRESH foractivation and deactivation of EVER FRESH function; (3) ALARM RESET to resetalarms; (4) MODE, (5) ADJUST SELECT + and (6) ADJUST SELECT - to select therequired option on the display1 VFD Display: for adjusting the freezer (FZ) and fridge (FR), setting the variousfunctions and user indications1 Buzzer: on the electronic circuit board housed in the Loads control panel

User InterfaceInput-Output

1 COMPRESSOR2 FR LAMPS (in Multiflow shell)4 DEFROST HEATING ELEMENTS in parallel (evaporator, drip tray, compartmentspartition, elbow bend)1 FZ FAN (in FZ compartment)1 FR FAN (in FR compartment)1 VACUUM PUMP2 FUSES

Loads

1 FZ SOLENOID VALVE SENSOR (in contact with the FZ evaporator)1 FZ AIR SENSOR (inside the FZ compartment)1 FR AIR SENSOR (inside the FR compartment)1 PCB SENSOR (on the electronic circuit board)1 FR DOOR SWITCH (magnetic reed switch on circuit board behind control panel)1 VACUUM SWITCH

Sensors

Between the two boards; passage on FR door hingeInternal serial line

Outlet in the compressor compartmentExternal serial line

On the electronic circuit boardEEPROM memory

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1.2 EVER FRESH FUNCTION / DISPLAY / ALARMS:

Select the vacuum position on the container coverand position the container in the central part of theshelf inside the fridge compartment (vacuum sta-tion) in correspondence with the mobile container-vacuum pump connection; pull the lever under theshelf to its forward position

To activate the Ever Fresh function press the relevant button once, this will cause the icon to illuminate inblue and the message EVER FRESH ON will scroll across the display; at this point the vacuum will beapplied automatically thanks to the intervention of a vacuum switch that detects vacuum conditions in thecontainer. To deactivate the vacuum function manually, press the button once (the blue icon will extinguishand the display will scroll the message EVER FRESH OFF).

After approximately 80 seconds if vacuum condi-tions are not detected in the containers, the appli-ance will emit two initial beeps, the alarm icon willilluminate steadily, and the message “VACUUM NOTPOSSIBLE, CHECK CONTAINER” will scroll acrossthe display. To reset this alarm and restore normaloperation, press the ALARM RESET button twice

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1.3 DESCRIPTION OF THE PNEUMATIC CIRCUIT:

The pump is connected to the vacuum station (under the glass shelf) by a 7 mmdiameter silicone rubber hose lodged in the cabinet by embedding in foam andcoupled to the shelf at the rear of the fridge wall

The vacuum pump compartment also contains:

1 The vacuum switch responsible for detectingvacuum conditions inside the container and con-sequently disconnecting the vacuum pump.

2 A filter coupled to the aspirated air extractionhose.

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2. COMPONENTS:

IThe EVER FRESH device fitted to Full No Frostfridge-freezer allows the user to store food for longerperiods by pressing the relevant button on the dis-play and positioning the vacuum container in thespecific area of the fridge compartment.

A vacuum is created inside the containers by meansof a vacuum pump located in the area of the com-pressor compartment.

EVER FRESH device.

EVER FRESH pump.

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There is a flap on the fridge door allowing the userto extract bottles from the door shelf inside the com-partment without opening the fridge door.

The electrical wiring of the Home Bar door perim-eter heating element transits behind the control paneland inside the fridge door.

HOME BAR device.

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WIR

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3. WIRING DIAGRAMS:3.1 MAIN WIRING DIAGRAM:

KE

YL

= L

INE

CO

: C

OM

PR

ES

SO

RN

= N

EU

TR

AL

PT

C:

PT

C R

EL

AY

LF

R:

FR

IDG

E L

AM

PR

H:

TH

ER

MA

L C

UT-

OU

TP

V:

VAC

UU

M P

UM

PS

ND

: S

EN

SO

RS

VC

: V

AC

UU

M S

WIT

CH

SE

R.:

EX

TE

RN

AL

SE

RIA

L L

INE

(IF

PR

ES

EN

T)

MV

FR

: F

RID

GE

CO

MPA

RT

ME

NT

NF

FA

NC

(*)

: S

TAR

T C

ON

DE

NS

ER

(IF

PR

ES

EN

T)

MV

FZ

: F

RE

EZ

ER

CO

MP

AR

TM

EN

T N

F F

AN

DIS

PL

AY

(**

): S

HO

WS

TE

MP

ER

AT

UR

ES

AN

D S

PE

CIA

L F

UN

CT

ION

S (

IF P

RE

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)R

1-R

2-R

3-R

4: D

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RO

ST

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AT

ING

EL

EM

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RE

ED

(**

*):

FR

DO

OR

SW

ITC

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ON

PC

B)

TF

1 -

TF

2: F

US

ES

I: C

ON

TR

OL

SW

ITC

H, M

AN

AG

ED

BY

TH

E C

IRC

UIT

BO

AR

D

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3.2 PNEUMATIC CIRCUIT:

Vac

uu

m

Pu

mp

ìTî C

on

nec

tio

n

Pre

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wit

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Vac

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m b

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eV

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tati

on

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3.3 CONNECTION DIAGRAM:

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Removing the Home Bar Door:

To remove the Home Bar door:

2. Insert a screwdriver into the channel in the fixingpins and force them inwards.

N.B. When removing the door use caution because thespring could cause the pin to be ejected from its seat

4. ASSISTANCE:

4.1. DISASSEMBLY:

1. Remove the 6 screws securing the 2 arms

Adjusting the Home Bar Door:

To adjust the opening force of the home bar door,rotate the arms:

1 rotate clockwise to increase opening force.

2 rotate counter-clockwise to decrease openingforce.

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Removing the Home Bar Seal:

The seal is glued to the door; if it needs replacinguse single-component neutral cure silicone adhe-sive/sealant (e.g.: Dow Corning 7091)

Removing the Display PCB:

To gain access to the display PCB under the controlpanel window open the home bar door and undo the2 screws at the bottom of the control panel window.

Removing the Fridge Door:

1. Remove the control panel covers and undo the 2screws

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2. Disconnect the wiring from the PCB and controlpanel connector.

N.B.: When routing the connector through thehole in the instrument panel cover (and whenre-inserting it) perform the operation as shownin the photos (1- 2-3)

1 3

2

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3. Unscrew the pin with a 10 mm wrench, keepingthe door slightly raised to facilitate the operation(e.g. insert a rubber screwdriver handle in the areaof the central hinge between the fridge and freezerdoors)

4. Disengage the door from the hinge and lift

N.B. Important: when refitting the pin in its seat,keep the door slightly raised and use a pair oflong-nosed pliers.

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N.B. When refitting the wiring behind the con-trol panel ensure the cables are fitted correctlyinto their original locations

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Indesit Companyviale Aristide Merloni, 4760044 Fabriano - Italytel. +39 0732 66 11 - telex 560196 - fax +39 0732 66 2954 - www.indesitcompany.com


Edition2005.06.114

LanguageEnglish

service manual mbze45 flagship / ever fresh full no frost fridge-freezer...

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