Miele W4840, W4800 Schematic

Name: Miele W4840
Brand: Miele
SKU: 8508844
Rating: 4.6 (15 reviews)

4.6 (15)

Descriptive Technical

Documentation

- Model-dependent -

DTD no. 11-4800

Model(s): W 4840, W 4800

22.12.2006, US_am

	Descriptive Technical Documentation
DTD no. 11-4800	1

Contents

General Information

A Warning and Safety Instructions

B Modification History

CTechnical Data

DLayout of Electrical Components

Function Groups

010	Housing, Lid, Secure Transport
	1	Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	010-2
	3	Fault Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	010-3
	3.1	Vibrations during spin cycle. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	010-3
	4	Service. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	010-4
	4.1	Lid – Remove . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	010-4
	4.2	Front panel – Remove . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	010-5
	4.3	Float switch (B8). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	010-6

020	Door, Magnet, Lock
	1	Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	020-2
	2	Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	020-3
	2.1	Pull door lock (A2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	020-3
	2.1.1	Electromagnetic door lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	020-3
	2.1.2	Safety requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	020-3
	3	Fault Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	020-4
	3.1	Door lock (A2) does not lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	020-4
	4	Service. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	020-5
	4.1	Door lock (A2) – Open manually . . . . . . . . . . . . . . . . . . . . . . . . . .	020-5
	4.2	Door lock (A2) – Remove. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	020-6
	4.3	Door porthole, door latch and hinge – Remove . . . . . . . . . . . . . .	020-7

030	Suds container, Drum, Bearing, Heater element
	1	Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	030-2
	2	Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	030-3
	2.1	Foam sensing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	030-3
	2.1.1	Foam when heating during the main wash cycle . . . . . . . . . . . . .	030-3
	2.1.2	Foam at rinse cycle water intake (in the drum vent or in the
		siphon) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	030-3

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	2.1.3	Foam during spin cycle (water sheet) . . . . . . . . . . . . . . . . . . . . . .	030-3
	2.2	Light in the door concertina seal . . . . . . . . . . . . . . . . . . . . . . . . . .	030-4
	2.3	Heater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	030-4
	4	Service. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	030-5
	4.1	Temperature sensor (NTC resistor, R30) . . . . . . . . . . . . . . . . . . .	030-5
	4.2	Air trap – Clean. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	030-5
	4.3	Door sealing ring – Replace . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	030-5
040	Water intake
	1	Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	040-2
	2	Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	040-3
	2.1	Float switch (B8). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	040-3
	2.2	Hot water intake control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	040-3
	2.3	Automatic load control / Intelligent water intake (IWE) . . . . . . . .	040-3
	2.4	Water intake monitoring – water control system (WCS) . . . . . . .	040-4
	2.5	Water overflow monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	040-4
	2.6	Flow meter (B3/4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	040-4
	2.7	Water path control unit, motor water path control unit (M24). . . .	040-5
	4	Service. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	040-6
	4.1	Flow meter (B3/4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	040-6
050	Water drain
	1	Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	050-2
	2	Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	050-3
	2.1	Water drain monitoring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	050-3
060	Drive
	1	Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	060-2
	2	Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	060-3
	2.1	Spin lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	060-3
	2.2	Toothed V-belt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	060-3
	2.3	Motor overheating protection. . . . . . . . . . . . . . . . . . . . . . . . . . . . .	060-3
	2.4	Tachogenerator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	060-4
	3	Fault Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	060-5
	3.1	Drum drive defective . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	060-5
	4	Service. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	060-6
	4.1	Tachogenerator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	060-6
	4.2	Toothed V-belt – Mount . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	060-6
	4.3	Drive MXT 40 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	060-7
070	Fascia panel, Control electronic
	1	Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-2
	2	Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-3
	2.1	Child safety sensor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-3
	2.2	Action after a power failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-3
	2.3	Programming function (HY IV E). . . . . . . . . . . . . . . . . . . . . . . . . .	070-4
	2.3.1	Water Plus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-4
	2.3.2	Gentle cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-4

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2.3.3	Suds cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-4
2.3.4	Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-4
2.3.5	Buzzer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-4
2.3.6	Language . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-4
2.3.7	Contrast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-4
2.3.8	Standby. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-4
2.3.9	Water intake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-5
2.3.10	Max. water level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-5
2.3.11	Country version . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-5
2.3.12	Max. spin speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-5
2.3.13	Load automatic. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-5
2.3.14	Imbalance values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-5
2.3.15	Central unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-5
2.3.16	Heater output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-5
2.3.17	Low water pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-5
2.3.18	Allergy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-6
2.3.19	Sensor controlled rinse cycle. . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-6
2.3.20	Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-6
2.3.21	Current volume meter (VSZ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-6
2.3.22	Keypad tone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-6
2.3.23	Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-6
2.3.24	Imbalance sensor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-7
2.3.25	Water valves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-7
2.3.26	Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-7
2.3.27	Appliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-7
2.3.28	Load indication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-7
2.3.29	Drum light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-8
2.3.30	Brightness. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-8
2.3.31	Fascia panel type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-8
2.3.32	Hygiene. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-8
2.3.33	Prewash at heavy soil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-9
2.3.34	Chlorine / Bleach agent intake. . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-9
2.4	Service function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-9
2.4.1	Component test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-9
2.4.2	Sensor test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-9
2.4.3	Operating hours meter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-9
2.4.4	Operating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-9
2.5	Demo mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-10
2.5.1	Demo program mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-10
2.5.2	Demo program mode (program simulation) . . . . . . . . . . . . . . . . .	070-10
2.6	Fault dialogue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-10
3	Fault Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-11
3.1	All LEDs flash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-11
3.2	LED Start flashes rapidly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-11
3.3	Sevensegment display: “- - -”. . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-12
3.4	Display indicates: Program is locked . . . . . . . . . . . . . . . . . . . . . .	070-12
3.5	Display indicates: Appliance is locked . . . . . . . . . . . . . . . . . . . . .	070-13
3.6	Display indicates: Locked, enter code . . . . . . . . . . . . . . . . . . . . .	070-14
3.7	Display indicates: No start. Demo mode activated . . . . . . . . . . .	070-14
3.8	Display indicates: Waterproof, shut off faucet . . . . . . . . . . . . . . .	070-15
3.9	Display indicates: Water drain fault, check drain . . . . . . . . . . . . .	070-15
3.10	Display indicates: Technical fault . . . . . . . . . . . . . . . . . . . . . . . . .	070-16
3.11	F 0 No fault . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-16
3.12	F 1 NTC short circuit water / heater. . . . . . . . . . . . . . . . . . . . . . . .	070-17
3.13	F 2 NTC open circuit water / heater. . . . . . . . . . . . . . . . . . . . . . . .	070-17

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3.14	F 10 Water intake fault cold water	. . . . . . . . . . . . . . . . . . . . . . . . . 070-18
3.15	F 11 Water drain . . . . . . . . . . . . . .	. . . . . . . . . . . . . . . . . . . . . . . . . 070-20
3.16	F 15 Water intake fault hot water .	. . . . . . . . . . . . . . . . . . . . . . . . . 070-20
3.17	F 16 Oversudsing . . . . . . . . . . . . .	. . . . . . . . . . . . . . . . . . . . . . . . . 070-21

3.18F 19 Flow meter is sluggish (flow meter (B3/4) / current volume

	meter) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-22
3.19	F 20 Heater (R1). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-23
3.20	F 34 Door does not lock. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-24
3.21	F 35 Door does not release . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-25
3.22	F 39 Electronic fault (BAE). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-25
3.23	F 41 Electronic fault (faulty EEPROM / faulty data) . . . . . . . . . . .	070-26
3.24	F 43 Appliance model is not programmed . . . . . . . . . . . . . . . . . .	070-26
3.25	F 44 Electronic fault (defective connection I2C-Bus) . . . . . . . . . .	070-27
3.26	F 45 Electronic fault (defective flash RAM/ wrong data) . . . . . . .	070-27
3.27	F 46 Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-28
3.28	F 47 Electronic fault (defective interface EW/ELP) . . . . . . . . . . .	070-28
3.29	F 50 Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-29
3.30	F 51 Pressure sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-29
3.31	F 53 Speed meter (tachogenerator) . . . . . . . . . . . . . . . . . . . . . . .	070-30
3.32	F 56 No spin action . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-31
3.33	F 63 Water path control fault . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-31
3.34	F 92 Bacterial control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-32
3.35	Residual time keeps changing . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-32
3.36	Maximum spin speed is not reached . . . . . . . . . . . . . . . . . . . . . .	070-33
3.37	Water path control (M24) is not activated as programmed . . . . .	070-33
3.38	Long program running times . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-33

4	Service. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-34
4.1	Programming Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-34
4.2	Programming Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-37
4.3	Demo mode – activate / deactivate. . . . . . . . . . . . . . . . . . . . . . . .	070-41
4.4	Demo mode – activate / deactivate. . . . . . . . . . . . . . . . . . . . . . . .	070-42
4.5	Service mode – Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-43
4.6	Service Mode Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	070-46
4.7	Control electronic (EW) and Fascia support panel – Remove . .	070-49

090	Electrical System
	1	Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	090-2
	4	Service. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	090-3
	4.1	Work on the electronic of the frequency converter (ELP) . . . . . .	090-3

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	Descriptive Technical Documentation
DTD no. 11-4800	A-1

AWarning and Safety Instructions

1General

All repairs should be performed by a trained technician in strict accordance with national, state and local codes. Any repairs or maintenance performed by unqualified personnel could be dangerous.

When servicing, modifying, testing or maintaining appliances, all applicable laws, regulations and accident prevention guidelines must be observed.

Before starting any service work, disconnect the machine from its power source.

Even with the machine switched off, voltage may exist on some components.

Do not work on the washer while it is carrying voltage. If this becomes unavoidable, as in the process of locating faults, put extra safety measures into place.

After work has been completed, as a matter of standard practice, a visual as well as an operational check should be performed.

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2Voltage present on power electronic (ELP)

Danger!

A capacitor on the power electronic (ELP) maintains voltage of up to approx. 400 V, even after the appliance is disconnected from power.

After the appliance is disconnected from power, an electrical resistor discharges the capacitor within approx. 2 minutes.

Work on the power electronic (ELP) may only be started after it has been established that the capacitor has been safely discharged.

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3Sharp edges

Components may have sharp edges as an outcome of production.

Wear protective gloves and use edge shields (M. no. 05057680) to prevent cuts by sharp-edged components.

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4Touch current measurement

Note

Touch current measurement should be carried out on all accessible conductive parts that are not connected to ground.

Warning!

Touch current measurement should only be carried out after the ground connection of the unit under test has been checked and found to be satisfactory!

Dangerous voltages may exist on defective machines as well as on accessible conductive parts that are not connected to ground!

Note

Touch current measurement should be carried out on the following accessible conductive parts:

•Door ring.

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BModification History

When?

Who?

What?

TT.MM.20XX Olaf Meyer zu Drewer Creation Version 1

Series start week 34/2006.

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C	Technical Data

	Dimensions	Height x Width x Depth: 39” x 27” x 30” (990 mm x
		685 mm 761 mm)

	Weight	130 kg

	Washer Dryer Stacked	not planned

	Under counter	not planned

	Floor mounting	optional, on concrete plinth, mandatory

	Stand	optional, accessory

	Required voltage and fuses on site	USA: 120 V AC, 60 Hz, 15 A

	PC interface	optical

	W-LAN interface (IEEE802.11),	optional, accessory
	miele@home

	Table 1: Technical data – Large capacity domestic washer front loader (LC HH-WA-FR)

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DLayout of Electrical Components

Fascia – Variations/Optical PC interface

Layout 1

1 (PC-LED) Optical PC interface

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Layout 2
1	(B8)		Float switch
2	(A2)		Door lock
3	(B3/4)		Flow meter
4	(Y12)		Valve – water intake hot water
5	(Y14)		Valve – water intake cold water
6	(M24)		Motor – water path control unit
7	(WLAN)		Wireless Local Area Network (optional)
8	(Z1)		Interference suppressor
9	(1N1)		Power electronic (ELP)
10–11 (2N1)			Control electronic
12			Druckdose / Pressure sensor
13		(H3/6)	Drum light
14 (R1)			Heater
15		(R30)	Temperature sensor — heater
16		(M5)	Motor – drum drive
17 (M8)			Motor – drain pump (suds pump)

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010 Housing, Lid, Secure Transport

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1Technical Data

Design	Frame construction

Table 1: Technical data – Housing, Lid, Secure Transport

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3Fault Repair

3.1Vibrations during spin cycle

Cause

The transport struts are still in the appliance.

Remedy

A Remove the transport struts.

Note

To set up and connect the appliance, refer to the operating instructions.

Cause

The floor is unstable.

Remedy

A Set up appliance on a sound floor that can support the appliance.

Note

Floors are more stable in the corners of a room than in the middle of a room.

Warning!

When setting up on a stand on site, secure the appliance with clamps to keep it from slipping off.

Cause

The washer is not installed level.

Remedy

A Level the washer, adjust feet and counter-lock.

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4Service

4.1Lid – Remove

Fig. 1

ARemove the screw caps on the edges.

ALoosen the raised head screws by a maximum of five turns.

Note

Do not remove the raised head screws.

APush the raised head screws in.

ALift the lid at the front, push it toward the back to release it from its retainers and remove.

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4.2Front panel – Remove

ARemove the appliance lid, refer to Lid – Remove, 010 4.1.

ARemove the control electronic (EW) and lower fascia panel, refer to Control electronic (EW) and Fascia support panel – Remove, 070 4.7.

Fig. 2

ARemove the door lock retaining screws.

ARemove the seal clamping ring.

ALoosen the door seal ring from the front panel.

ALoosen the attachment of the front panel above and below the fill hole.

ALoosen the attachment of the front panel at the detergent drawer and at the top on the right side.

ATilt the front panel forward at the top and lift it off.

AInstallation: Hook the manual release latch into the detergent drawer.

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4.3Float switch (B8)

Danger!

Risk of electric shock when working on low-voltage components.

In the power electronic, there is no galvanic isolation from the power supply.

When working on a washer connected to the power supply, be aware of the risk of mains potential on low-voltage components.

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020 Door, Magnet, Lock

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1Technical Data

Special tools

Locking latch	To run the appliance in the service department
	programming/service mode, with the front panel removed

Porthole	To run the appliance in the service department
	programming/service mode, with the front panel removed

Table 1: Door, Magnet, Lock – Special tools

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2Function

2.1Pull door lock (A2)

2.1.1Electromagnetic door lock

When locking the door, the locking latch dips into the lock and is pulled into the lock by the locking mechanism.

The power electronic (ELP) registers the locked state via a switch in the door lock (A2).

During operation, with the door closed, the door lock is electromagnetically bolted, refer to 020 2.1.2 Safety requirements.

As long as the door is not electromagnetically bolted, the door can be opened by simply pulling it.

Activating the emergency release cancels the electromagnetic lock, and the door can be opened.

Danger!

Opening the door by means of the emergency release may present danger of injury by a rotating drum, danger of scalding suds and flooding.

Note

Closing the door when the door lock is already locked causes damage to the door lock.

If the door lock is locked, with the door open, it has to be released manually, refer to Door lock (A2) – Open manually, 020 4.1.

2.1.2Safety requirements

After pressing the “Start” pad, the electromechanical door lock is only activated when the following safety requirements are met:

–Drum speed < 7 min-1, registered by RPM sensor (Tachogenerator),

–Water level < 80 mmWS, registered by analog pressure sensor (ADS),

–Suds temperature < 131°F (55°C), registered by suds temperature sensor (NTC resistor R30).

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3Fault Repair

3.1Door lock (A2) does not lock

Symptom

The door latch hits the locking mechanism when pushing into the door lock (A2).

Cause

The locking mechanism is locked, with the door open.

Remedy

AOpen the door lock (A2) manually, refer to Door lock (A2) – Open manually, 020 4.1.

ACheck the function of the door lock (A2).

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4Service

4.1Door lock (A2) – Open manually

Note

Manual opening is only required when the door locking mechanism is locked, with the door open.

This happens if the locking mechanism is interfered with, e.g. if an object is pushed into it.

In this situation, the locking latch cannot push into the lock and the door can't be closed.

Fig. 1

AWith the front panel in place, the door lock (A2) and the door seal fitted, press the door locking mechanism open.

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4.2Door lock (A2) – Remove

A Remove the front panel, refer to Front panel – Remove, 010 4.2.

Fig. 2

ALift the door lock (A2) and remove.

APull the plug off.

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4.3Door porthole, door latch and hinge – Remove

Fig. 3

Note

The plugs in the door ring are destroyed during dismantling and have to be replaced when reassembling the door.

Do not damage the porthole ring when removing the plugs.

AUse a pointed tool to remove the plugs on the porthole ring.

ARemove the retaining screws.

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