Hotpoint Ariston TVF651 Bedienungs- und Montageanleitung

Indesit Company UK Ltd

Service

Information

VENTED

ELECTRONIC

6 Kg

TUMBLE

DRYERS

Models Covered

TVF651

ALE600VX

5407404 Issue 1 Dec. 2007

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Service Manual UK

Indesit

Company

English

SAFETY NOTES & GENERAL SERVICING ADVICE

1. This manual is NOT intended as a comprehensive repair/maintenance guide to the appliance.

2. It should ONLY be used by suitably qualified persons having technical competence applicable

product knowledge and suitable tools and test equipment.

3. Servicing of electrical appliances must be undertaken with the appliance disconnected (unplugged)

from the electrical supply.

4. Servicing must be preceded by Earth Continuity, Earth Resistance and Insulation Resistance

checks.

5. Personal safety precautions must be taken to protect against accidents caused by sharp edges on

metal and plastic parts.

6. After servicing the appliance must be rechecked for Electrical Safety. In the case of appliances

which are connected to a water supply (i.e.: Washing Machines, Dishwashers & Food Centres etc.)

checks must be made for leaks from seals gaskets and pipe work and rectification carried out where

necessary.

7. It can be dangerous to attempt 'DIY' repairs / maintenance on complex equipment and the Company

recommends that any problem with the appliance is referred to its own Service Organisation.

8. Whilst the Company has endeavoured to ensure the accuracy of the data within this publication they

cannot hold themselves responsible for any inconvenience or loss occasioned by any error within.

SERIAL NUMBER / INDUSTRIAL CODE EXPLANATION

Serial Number Example

3 10 02 0895

Four remaining digits = Build number that day 895th built

Third two digits = Day of manufacture 2nd of month

Second two digits = Month of manufacture October

First digit = Year of manufacture 2003

Industrial Code Example

37 24455 0010

Last four digits = 0000 original production.

Second five digits = COMMERCIAL CODE*

First two digits = Factory of origin

* Vital for correct model information and system identification

Other numbers denote major production changes

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Service Manual UK English

INDEX

Safety & Servicing Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

Serial Number / Industrial Code Explanation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Machine Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 - 6

Component Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 - 12

Programme Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 - 14

Dismantling Instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 - 19

Fault Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 - 21

Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

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Company

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SPECIFICATIONS

General Models as at October 2007

TVF651

ALE600VX

Features Electronically controlled tumble dryers comprising of an interface module

fitted to the rear of the console panel and a control module mounted on

the plinth, connected by a serial link.

Country of Origin Great Britain

Energy Class C

Noise Level 69 dBA

Dimensions

Height 850 mm

Width 595 mm

Depth 550 mm

Weight 35 kg (Packed)

Drum Speed 55 rpm Reversing

Drum Capacity 112 litres

Drying Load Dry weight maximum 6 kg - all models

Time Delay Up to 18 hours

Door Operation Lever operated door catch

Heater High Heat - 2200W @ 230V

Low Heat - 1100W @ 230V

Control Thermostats

Cycling Thermostat: 120°C

One Shot Thermostat: 150°C

Motor - Type 358 Capacitor run, single phase, 2 pole, induction type

Motor Speed 2800 rpm

Motor Power 200W

Capacitor 7.5uF

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MACHINE FUNCTION

Drying Overview

Cold air drawn into the dryer cabinet interior through louvres in the cabinet base, passes through the

large hole in the inner back panel adjacent to the fan and driven through the element housing on the

inner back panel. After passing through the element windings and through holes in the drum back plate

into the drum interior, the now warm dry air is driven through the load to the front of the drum.

A webbing seal, fixed to the inside of the inner back panel, prevents warm air being driven into the

cabinet interior. As the drum revolves, the load is tumbled through the warm air stream that extracts

moisture from the damp fabric. The now moist and cooled air passes through the filter in the air duct on

the back of the front panel, where any fluff picked up from the load is removed. It then travels through

the front to rear air duct, leaving the dryer at the rear outlet.

If required, a vent hose may be attached to the outlet, to take exhaust air away from the dryer.

A cut-out on the element housing cuts the electricity live supply to the element, if the air temperature in

the housing becomes too high due to a restriction in the airflow - e.g. a blocked filter.

Controls Overview

The user controls consist of a LED display, programme selection knob, option buttons, start reset

button and a stand-by button.

The control system consists of a control module, 2 thermistors and a conductivity sensor.

The thermistors and conductivity sensor send values back to the control module, the control module

then determines the programme duration and dryness of the load in set values for a particular

programme held within the control module software.

The control module is located behind the right hand side panel and there is a service port behind the

plinth cover that allows attachment of a Computer to programme the EEPROM or test the control

module.

The control module can be programmed with the relevant Eeprom file it the module is replaced, the

Eeprom file becomes corrupted or if an updated file becomes available.

Each of the sensing programmes has a maximum time of 180 minutes and will default to this time at

the start of a programme.

Once the programme has started an estimate is made within 10 minutes of the programme starting to

determine the programme length, this is achieved by use of the front thermistor, rear thermistor and

conductivity sensor, the display will then count down from this estimated time.

If the estimation gives a time more than that displayed, the display remains at the value when the

estimate was made but continues to count down and when this reducing count reaches the time on the

display the display will then continue to decrement.

If the clothes are not dry when the 10 minute cool tumble period is reached, the control module does

not start the cool tumble but continues to dry the clothes until the value from the conductivity sensor

indicates that the clothes are dry, this then advances the programme into cool tumble.

If after the maximum programme time of 180 minutes the clothes are still not dry, the programme

advances to cool tumble and completes the programme. No fault is indicated if this occurs.

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VENTED AIRFLOW DIAGRAM

The module also controls the heater, this has an upper and lower element, the lower (static) element is

permanently energised (except in cool tumble) and the upper element (dynamic) is cycled on and off

by the control module during a programme to maintain the correct temperature within the drum for the

programme selected.

If the user turns off the power or disconnects the mains cable or there is a power cut, the dryer will

remember its last settings and resume the program when the start button is pressed.

The start of a programme can be delayed up to a maximum of 18 hours in 1 hour increments

Pre crease care can only be selected if a timed delay has been selected; this option tumbles the

clothes for 3 seconds every 30 minutes for the duration of the time delay.

If selected the Post crease care option tumbles the clothes after the programme has finished for

3 seconds every 4 minutes up to a maximum duration of 10 hours.

If the event of a controls failure, a cycling thermostat and one-shot thermostat are fitted as a safety

devices.

The cycling thermostat resets when the air temperature drops to an acceptable level, and cycles if the

fault persists or the air temperature reaches an unsafe level a second 'one shot' thermostat, mounted

alongside cycling thermostat, is fitted as a safety device to break the element neutral connection.

Hot Airflow

Cold Airflow

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COMPONENT DESCRIPTION

CONSOLE PANEL

The console panel contains the user display and controls, these consist of a 7 segment LED display,

LEDs, programme selection knob, option buttons to select the various drying options, start/reset button

and a stand-by button. The interface module mounts to the rear of the console. All except the Start/

Cancel button are linked by software to control there corresponding LED. Some buttons are disabled

by software when their selection is not appropriate.

Option Buttons

These buttons are used to customise the selected programme. A programme must be selected on the

programme knob before an option can be selected. Not all options are available for all programmes (see

programme guide). If an option is not available and a button is pressed, the buzzer will beep three times.

If the option is available there will be one beep and the option light next to option button will light to

confirm the selection. After the start switch has been pressed only the Alarm,

Pre Crease care and Post Crease care options can be changed.

Clean Filter

Light

Programme Guide

PROGRAMME

Knob

DISPLAY

START/PAUSE

Button & Light

CHILD LOCK

Button & Light

Indicator

Progress

Lights

OPTION

Buttons & Lights

ON/OFF

Button & Light

B5 B8

B2 B6 B7 L1

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High Heat (B1)

Selects the high heat option with both heater elements enabled.

If high heat selected pressing this button selects low heat with only the top heater enabled.

Post Crease Care (B2)

Selects Post Crease Care phase to occur after dryer finishes the cool tumble phase.

If this option not selected the drying programme ends after the cool tumble phase.

Start/Pause (B4)

This button is used to start every programme or to continue a programme if the door has been opened

and then closed, or if there has been a power interruption.

Pressing and holding in this button for more than 1 second when a programme is running cancels the

programme.

After this button is pressed and the programme has started only the Alarm, Pre Crease Care (if delay

running) and Post Crease Care options can be changed. The other switches and the selector switch

can not modify the programme that is running.

On/Off (B5)

This button turns on the user interface and allows a programme and options to be selected. If the

button is pressed when interface is 'On' it stops the dryer and when pressed again the dryer starts.

Pre Crease Care (B6)

This button selects the pre crease care program to operate during the delayed start period, cannot be

selected if a delay programme has not been selected.

Time Delay (B7)

Selected programmes can be delayed from starting for up to 18 hours.

Each time the delay button is pressed the delay duration is increased by 1 hour.

The delay time is displayed on the 2 seven segment LED displays as the number of hours remaining

before the programme selected starts.

Child Lock (B8)

Button and lamp.

Press and hold the button (until the lamp is lit), after selecting the programmes and any options.

This option will prevent the setting from being changed.

Hold the button to cancel the option (until the lamp goes out).

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PROGRESS LAMPS

HEAT LED (L1)

L1 Drying Phase

The dryer is tumbling and heating.

L2 Cool Down

The heater is off and the drum tumbles.

L3 End

The programme is completed and the clothes can be removed.

L4 Clean Filter Lamp

A reminder to clean the filter is lit at the end of every cycle.

User Interface Module

Mounted behind the console panel it contains all the user inputs, Status and Option LEDs and

7-segment display.

Display

The display shows either the amount of time delay remaining or an indication of the amount of time left

for a drying programme.

The delay time is displayed in hours and counts down each minute.

The time to end is displayed in hours and minutes and counts down each minute, this includes the cool

tumble phase. When timed programmes are selected the time displayed throughout the cycle is the

actual time remaining.

When a sensing programme is selected the time displayed is an estimate of the time remaining.

When the programme is selected the display shows the time required to dry a full load, after around

10 minutes the controller calculates a better estimate of the cycle time.

The colons between the hours and minutes in the display flash to show that the time is counting down.

When the programme finishes its cool tumble phase the display will show .

Programme Knob

Warning, if after pressing the START/PAUSE button the programme knob position has changed, the

new position will NOT change the programme selected.

To change a selected programme, press the START/PAUSE button, the light flashes Amber to indicate

the programme is paused. Select the new programme and any options required, the light will then flash

green. Press the START/PAUSE button again and the new programme will start.

E88

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Control Module

The control module is located behind the right hand side panel and there is a service port behind the

plinth cover that allows attachment of a Computer to programme the EEPROM or test the control

module.

Contains the main processor and memory and EEPROM.

Controls the motor, heater and dryness levels using sensor in the drum and front and rear thermistors.

The control module can be programmed with the relevant eeprom file it the module is replaced, the

Eeprom file becomes corrupted or if an updated file becomes available.

The programming procedure can be found in Eeprom Writer Manual 5407177.

Door

A plastic moulded chassis with a glass bowl retained by plastic mouldings.

Door Switch

Normally open single pole microswitch activated by the door on closure. It is the first switch in the

electrical circuit and therefore its rating corresponds to the full load of the product.

Drum

Manufactured from Galvatite or steel/stainless steel in three pieces with a chrome or zinc plated steel

shaft at the rear. The three pieces are lock seamed together. The rear pressing has perforations to

allow air into the drum. The body has two removable equi-spaced plastic lifters used to tumble the

clothes. The front pressing has a large diameter flanged aperture through which the clothes are

passed into the drum. This flanged aperture supports the front of the drum on four lubricated bearing

pads fitted to the front air duct. A shaft running in a single bearing attached to the rear panel supports

the rear of the drum.

A strip type conductivity sensor is located in the front air duct. This is used by the electronics to sense

the resistance of the moisture in the clothes in the drum and determine their dryness level.

The drum comprises of a zinc-coated front and rear body. The rear of the drum is perforated to allow

the passage of air. Fixed to the rear pressing is a support shaft, which runs in a bearing located in the

rear panel of the dryer.

A drive pin and collar on the drum shaft prevents forward thrust during use. The large front flanged

aperture rotates on bearing pads.

Heater Unit

Consists of four coils wound on ‘mica’ supports, which are supported by ‘mica’ end insulators.

These end insulators fit into a steel pressing that also locates the rear thermal controls this is fixed by

screws to the rear cover, this pressing also forms air guides. The heater elements thermal controls,

thermistors and rear cover are supplied as an assembly and has a five-way connector provided to

interface with the electronic module. The heater has an upper and lower heater, the lower (static)

heater is permanently energised and the upper heater (dynamic) is cycled on and off by the control

module during a programme to maintain the correct temperature for the programme selected.

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