Midea M Series Bedienungsanleitung

Service Manual

Washing machine

Automatic washer

M Series Top-load

Note：

Before service the unit, please read this manual first.

Contact with your service center if meet problem

1 PRECAUTION………………….………………..…………………………………………………….

1.1 Safety Precautions

1.2 Servicing Precaution

1.3 CAUTIONS FOR SAFETY

2 Factory Pattern Detection ………………….…………………………………………………….

3 UNPACKING WAYS OF MAIN PARTS…………………………………………………………...

4 MALFUNCTIONS CODES AND EXPLANATIONS …………………………………

5 TROUBLESHOOTING…………………………………………………………………………………

5.1 water inlet process

5.2 Wash process

5.3 Soak process

5.4 Drain process

5.5 Spin process

5.6Adjustment of imbalance

6 CHECK POINT OF CIRCUIT ……………………………………………………………………..

7 SERVICE TOOLS……..……………….....................................................................................

8 APPENDIX……………………………………………………………………………………………….

Contents

1 Precaution

When performing troubleshooting and part replacement during

servicing, note the following safety precautions:

§1.1 Safety Precautions

1-1-1. Use Genuine Parts

The components of the washing machine have safety features such as non-

combustibility and voltage withstanding. Therefore, always use the same

part as suggested by the maker. In particular, be sure to use only

designated parts in case of major safety parts identified by the marker.

1-1-2. Grounding

Connect the grounding wire to the shell plate, and bury it under at least

25cm of earth : alternatively, connect the ground wire to the appropriate

pin on a properly grounded power receptacle. Never connect the wire to a

telephone line, lightning rod, or gas pipe.

§1.2 Servicing Precautions

1-2-1. Observe Warnings

Be sure to follow special warning and precautions that are described on

part labels and in the owner's manual.

1-2-2. Parts Assembly and Wiring

Be sure to use insulation material (such as tube and tape). And be sure to

restore all parts and wires to their original position. Take special care to

avoid contact with sharp edges.

1-2-3. Perform Safety Checks after Servicing

After servicing, check to see that the screws, parts, and wiring are restored

to their original positions, and

check the insulation between the external metals and the socket plug. In

addition, place the washing machine

in a level position (less than 1(one) degree) to prevent vibration and noise

during operations.

1-2-4. Insulation Checks

Pull out the plug from the power receptacle, pour water into the spin tub,

and then set the timer. Check to see

that the resistance insulation between the terminals of the plug and the

externally exposed metal is greater than 1M• .

Note :When it is impossible to perform insulation check with a 500V

insulation resistance tester, use other

testers for inspection.

1.3 CAUTIONS FOR SAFETY

Symbol

Meaning

WARNING

Indicates possibility of death or serious injury of a repair technician

and a person nearby through the misconducted work, or of a user

by a defect of the

product after the work performed by the technician.

CAUTION

Indicates possibility of injury or physical damages* of a repair

technician and a person nearby through the misconducted work, or

of a user by a defect of the product after the work performed by the

technician.

Graphic Symbol

Meaning

ELECTRIC

SHOCK

• indicates a caution (including a warning).

Specific instruction is followed by a graphic or characters in or near

Symbol left warns an electric shock.

DO NOT

DISASSEMBLE

• indicates prohibition (act must not be conducted).

Specific instruction is followed by a graphic or characters in or near.

Symbol left warns not to disassemble.

UNPLUG

POWER

• indicates forcing (act must be conducted).

Specific instruction is followed by a graphic or characters in or near.

Symbol left warns to unplug the power cord.

•Please observe the following notes for safety.

•The symbols indicate as follows.

•Please observe the following notes for safety.

•The symbols indicate as follows.

WARNING

OUT OF CHILD

• Advise the customer to keep children out of the work place.

Children may be injured with a tool or a disassembled part.

UNPLUG POWER

• Unplug power cord for the work such as disassembling which

is not unnecessary to power on . Do not hold the plug by a wet

hand.

Failing to unplug may cause an electric shock.

USE

REPAIR PARTS

• Use the specified repair parts when repairing the product.

Otherwise, a malfunction or a defect may occur.

Also, a short circuit, ignition or other danger to the customer

may occur.

CHECK

INSULATION

RESISTANCE

• After repair, measure insulation resistance between the

charging part (power cord plug) and the non

charging metallic

part (ground) with an insulation resistance meter (500V). The

resistance shall be 10M• or more.

Failing to check the insulation resistance may cause a short

circuit, electric

shock or other diseases to the customer.

DO NOT MODIFY

• Do not modify the product.

An electric shock or ignition may occur.

DO NOT

DISASSEMBLE AND

REPAIR

• Only a repair technician can disassemble and repair.

An electric shock, ignition or malfunction may cause injury.

1.3 CAUTIONS FOR SAFETY

WARNING

USE EXCLUSIVE

SOCKET

• Use an exclusive A socket for the washing machine.

Otherwise, an electric shock or ignition may cause. Sharing the

same socket

with other instrument causes heating of a branch socket and

result in a fire.

CONNECT

GROUNDING WIRE

• Unplug power cord for the work such as disassembling which

is not unnecessary to power on . Do not hold the plug by a wet

hand.

Failing to unplug may cause an electric shock.

CONNECT

GROUNDING WIRE

• Connect the grounding wire.

Failing to do so may cause an electric shock when a short

circuit occurs.

Consult an electric work shop or a sales shop.

DO NOT USE WET

PLACE

• Do not install in a bath room or a place exposed to wind or

rain.

An electric shock or a short circuit may cause a fire.

DO NOT SPLASH

WATER

• Do not pour or immerse electrical parts into water or liquid

solution.

An electric shock or ignition may occur.

REMOVE DUST

• Wipe off dust adhered to the plug of power cord.

Dust may cause a fire.

1.3 CAUTIONS FOR SAFETY

WARNING

AVOID

INFLAMMABLE

• Do not put inflammable into the washing tub.

Do not put cloths stained with kerosene, gasoline, benzene,

thinner, alcohol,

etc. lt may cause a fire or explosion.

CONNECT

GROUNDING WIRE

• Do not touch the laundry before the spin basket stops

completely.

The laundry entangles your hand causing an injury even if the

basket rotates

slowly. Pay special attention to children.

CAUTION

INSTALL

CAREFULLY

• Ask an electric work shop to install the product.

Install the product securely and safely according to the

electrical equipment

technical standard and the wiring standard.

Incorrect work causes an electric shock and a fire.

DO NOT PULL

• Do not pull the power cord when unplugging.

Hold the power plug to unplug.

An electric shock or short circuit may cause a fire.

DANGER HAND

• Do not insert your hand under the washing machine during

operation.

There is a rotary part under the machine which may cause an

injury.

WATER LEAKAGE

• Before starting washing, open the faucet and check water

supply hose joint

which shall not be loosened for no water leaks.

The loose screw or hose joint may cause water leakage

resulting in an

unexpected damage.

1.3 CAUTIONS FOR SAFETY

2 Factory Pattern Detection

When the machine work normal,we can check as follow :

Press water level key and power off key ,enter into whole show model

（C1）, all light of, the PCB show ;

Press water level key again, enter into wash model （C2）, Impeller turn;

Press water level key again, enter into spin model, Retractor work,start

drain （C3）, Tub start turn;

Press water level key again, enter into whole show model again;

Such circulate.

3 UNPACKING WAYS OF MAIN PARTS

ITEM PICTURE HOW TO DISASSEMBLE

1.BACK COVER Use cross

screwdriver

①

Unscrew the screws on

the back cover ( Red circle

part) and then take out the

rear cover.

①Unscrew the earth screws

tomake

the earth wire

subassembly and cabinet

separate.

②

Unscrew the capacitor

screws,take

down capacitor

catch.

③

Pull out the air pipe to

make the air pipe and

suspend poles separate

(When you install the air

pipe, you remember to

coat adhesive for

preventing leakage

2. The earth

screws,capacitor

screws,

and then pull out the air

pipe.( make the air pipe

and suspend poles

separate)Use cross

screwdriver

ITEM PICTURE

HOW TO DISASSEMBLE

3 Pull the insulating bag

and then remove the

wire connector.

Use vice

①

Put the Nylon cable

ties, pull the insulating

bag

②

Remove the crimp

terminal by pliers .

4 Top cover

Use cross screwdriver

①Unscrew the screws on

the Top

cover（normally

2 sides 2 back. It varies

according to different

designs

）

②

Take down the top

cover, and put it in the

right place ( avoid to

scratch the top cover)

5 Remove the PCB

Use cross screwdriver

①

Unscrew the controller

board screws, pull out the

controller board

terminals(When you plug

wire and connect wires,

you must insert terminals

the roots for not easily

pulling.)

②

Take down the

controller board and the

front control panel

separately

3 UNPACKING WAYS OF MAIN PARTS

ITEM PICTURE HOW TO DISASSEMBLE

6 Take down the back

control panel, cover

switch, water inlet

valve,water

level sensor,

and internal wire

subassembly

Use cross screwdriver

and vice

①Remove the back control

panel screws, and take out

the back control panel.

②Remove the cover switch

screws.

③Take down the water inlet

valve.

④

Remove the water level

sensor Screws.

⑤Take out the internal wire

Subassembly

7 Door Lid

Use cross screwdriver

①

First remove the door

bolt.

②

Take down the lid

③

Take out the spring

8 outer tub cover

Use cross screwdriver

Unscrew the outer tub

cover screws, and take out

the outer tub cover

9 Impeller

Use cross screwdriver

Unscrew the impeller

screws, and take out the

impeller

10 Spin tub

use sleeve

Unscrew the spin tub bolts

and take out the spin tub

cover

3 UNPACKING WAYS OF MAIN PARTS

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