Alliance Laundry Systems LWS01A* series Istruzioni operative

www.comlaundry.com

Troubleshooting

W001C

Part No. 39311R5

June 2007

Home

Automatic

Washers

Refer to Page 4 for Model Numbers

the expressed written consent of the publisher.

39311 1

Table of

Contents

Section 1 – Safety Information ...............................................................2

Locating an Authorized Servicer...........................................................3

Section 2 – Introduction..........................................................................4

Model Identification ..............................................................................4

How Your Washer Works .....................................................................5

Customer Service...................................................................................7

Nameplate Location...............................................................................7

Section 3 – Troubleshooting....................................................................8

1. No Hot Water................................................................................9

2. No Cold Water ............................................................................10

3. No Warm Water..........................................................................11

4. Water Fill Does Not Stop At Proper Level.................................12

5. Timer Does Not Advance ...........................................................13

6. Motor Does Not Run...................................................................14

7. No Agitation................................................................................15

8. Constant Agitation ......................................................................16

9. Washer Overheats, Cycles On Motor Thermal Protector,

Switch Actuator Kicks In And Out.............................................17

10. Slow Spin....................................................................................18

11. No Spin .......................................................................................19

12. Constant Spin ..............................................................................20

13. Washer Stops In Cycle; Quits After A Couple Loads;

Is Intermittent..............................................................................21

14. Washer Is Locked Up Or Binding...............................................22

15. Outer Tub Does Not Empty ........................................................23

16. Excessive Vibration ....................................................................24

17. Water Leaking From Outer Tub..................................................25

Section 4 – Adjustments........................................................................26

18. Leveling Legs..............................................................................26

19. Pressure Switch...........................................................................27

20. Belt (Agitate And Spin) ..............................................................27

Section 5 – Test Procedures ..................................................................28

21. Motor Test Procedure..................................................................28

22. Mixing Valve Solenoid Test Procedure......................................29

23. Temperature Switch Test Procedure...........................................29

Section 6 – Cycle Sequence Charts.......................................................30

Timer No. 37927 Cycle Sequence ...................................................30

Timer No. 37929 Cycle Sequence ...................................................31

Timer No. 200927P Cycle Sequence ...............................................32

Timer No. 201101 Cycle Sequence .................................................33

Timer No. 201100 Cycle Sequence .................................................34

239311

Section 1

Safety Information

Throughout this manual and on machine decals, you will find precautionary statements (“CAUTION,”

“WARNING” and “DANGER”) followed by specific instructions. These precautions are intended for the personal

safety of the operator, user, servicer, and those maintaining the machine.

aDANGER

Danger indicates an imminently hazardous situation that, if not avoided, will cause severe personal injury or death.

aWARNING

Warning indicates a hazardous situation that, if not avoided, could cause severe personal injury or death.

aCAUTION

Caution indicates a hazardous situation that, if not avoided, may cause minor or moderate personal injury or property

damage.

Additional precautionary statements (“IMPORTANT” and “NOTE”) are followed by specific instructions.

IMPORTANT

The word “IMPORTANT” is used to inform the reader of specific procedures where minor machine damage will

occur if the procedure is not followed.

NOTE

The word “NOTE” is used to communicate installation, operation, maintenance or servicing information that is

important but not hazard related.

In the interest of safety, some general precautions relating to the operation of this machine follow.

• Failure to install, maintain and/or operate this product according to the manufacturer’s

instructions may result in conditions which can produce serious injury, death and/or property

damage.

• Do not repair or replace any part of the product or attempt any servicing unless specifically

recommended or published in this Service Manual and unless you understand and have the

skills to carry out the servicing.

• Whenever ground wires are removed during servicing, these ground wires must be

reconnected to ensure that the product is properly grounded and to reduce the risk of fire,

electric shock, serious injury or death.

W006R2

WARNING

39311 3

Safety Information

NOTE: The WARNINGS and IMPORTANT INSTRUCTIONS appearing in this manual are not meant to

cover all possible conditions and situations that may occur. Common sense, caution and care must be

exercised when installing, maintaining or operating the machine.

Always contact your dealer, distributor, service agent or the manufacturer about any problems or conditions you do

not understand.

Locating an Authorized Servicer

Alliance Laundry Systems is not responsible for personal injury or property damage resulting from improper

service. Review all service information before beginning repairs.

Warranty service must be performed by an authorized technician, using authorized factory parts. If service is

required after the warranty expires, Alliance Laundry Systems also recommends contacting an authorized technician

and using authorized factory parts.

To reduce the risk of electric shock, fire, explosion, serious injury or death:

• Disconnect electric power to the washer before servicing.

• Never start the washer with any guards/panels removed.

• Whenever ground wires are removed during servicing, these ground wires must be

reconnected to ensure that the washer is properly grounded.

W003

WARNING

Repairs that are made to your products by unqualified persons can result in hazards due to

improper assembly or adjustments subjecting you or the inexperienced person making such

repairs to the risk of serious injury, electrical shock or death.

W007

WARNING

If you or an unqualified person perform service on your product, you must assume the

responsibility for any personal injury or property damage which may result. The manufacturer

will not be responsible for any injury or property damage arising from improper service and/or

service procedures.

W008

WARNING

439311

Section 2

Introduction

Model Identification

Information in this manual is applicable to these washer models.

Model

Number 1 Speed

Motor 2 Speed

Motor 3 Speed

Motor Porcelain Washtub

(cu. ft.) Stainless Steel

Washtub (cu. ft.)

LWS01A* X 2.9

LWS01A*C X 2.9

LWS01B* X 2.9

LWS01M* X 2.9

LWS01N* X 2.9

LWS02A* X 3.3

LWS02B* X 3.3

LWS02M* X 3.3

LWS02N* X 3.3

LWS04M* X 3.3

LWS04N* X 3.3

LWS05N* X 3.3

LWS16A* X 3.3

LWS16B* X 3.3

LWS16M* X 3.3

LWS16N* X 3.3

LWS17A* X 3.3

LWS17B* X 3.3

LWS17M* X 3.3

LWS17N* X 3.3

LWS44N* X 3.3

LWS45A* X 3.3

LWS45B* X 3.3

LWS45M* X 3.3

LWS45N* X 3.3

LWS49N* X 3.3

* Add Letter To Designate Color. L – Almond W – White Q – Bisque

39311 5

Introduction

How Your Washer Works

Pressure

Switch

Timer

Agitator

Outer

Tub

Pump

Motor

Transmission

Washtub

Mixing

Valve

Temperature

Switch

W407SE3A

639311

Introduction

The cycle begins with a wash fill. The water

temperature is determined by the temperature selector.

While water fills the washtub, a column of air is

trapped in a pressure bulb and hose. The air pressure

continues to increase as the washtub fills with water

until it is great enough to activate the pressure switch.

The pressure switch then causes the wash fill to stop

and wash agitation to begin. However, the loading door

must be closed for the washer to agitate or spin.

The washer uses a reversing type motor, a special drive

belt and an idler assembly. The idler assembly applies

tension to the outside of the drive belt.

During agitation, the motor runs in the

counterclockwise direction. The spring tension on the

idler pulley applies the tension required to reduce the

slack on the drive belt and maintain maximum belt to

motor pulley contact. This eliminates belt slippage and

ensures an efficient wash action, even with extra large

loads.

The belt drives the transmission drive pulley in the

counterclockwise direction. The pulley drives the helix

which is splined to the input shaft of the transmission.

This causes the input shaft to turn inside of a roller

clutch which is pressed into the transmission cover.

This roller clutch acts as a bearing in the

counterclockwise direction allowing the transmission

gears to operate. The transmission’s rack and pinion

gear design produces a 210 degree agitation stroke at

the output shaft of the transmission which drives the

agitator. The brake assembly remains locked during the

agitation mode since no pressure is applied to it by the

transmission drive pulley.

After the wash agitation is completed, the timer

advances into the first spin. During spin, the motor

reverses turning in the clockwise direction to spin the

water out of the washtub. The combination of water,

washtub and load weight cause the drive belt tension on

the idler side of the belt to overtake the idler spring

pressure allowing the belt to become slack on the

opposite side. This reduces the belt to pulley contact

and allows slipping between the belt and pulley.

As water is removed by the pump and the momentum

of the washtub increases, the idler spring tension

gradually overcomes the belt tension removing the belt

slack. This eventually increases the belt to pulley

contact until maximum spin speed is achieved.

The drive pulley turns clockwise riding up the ramps of

the helix, exerting pressure on the brake and forcing it

to release from brake pads. The helix drives the input

shaft of the transmission, and when the input shaft turns

in the clockwise direction the roller clutch locks onto

the shaft causing the entire transmission assembly to

turn. None of the gears in the transmission are

operating at this time. The hub of the washtub is splined

to the transmission tube and rotates with the

transmission assembly. The centrifugal force created

by the spinning washtub causes water to be extracted

from the clothes.

Water is introduced during the first spin to “SPRAY”

the garments and remove suds from them. The initial

spin is followed by rinse agitation to rinse away any

detergent residue. The washer fills and then agitates

like the wash portion of the cycle. Following rinse

agitation, a final spin extracts the rinse water from the

clothes preparing them for the dryer.

39311 7

Introduction

Customer Service

If literature or replacement parts are required, contact

the source from whom the machine was purchased or

contact Alliance Laundry Systems at (920) 748-3950

for the name and address of the nearest authorized

parts distributor.

For technical assistance, call (920) 748-3121.

Nameplate Location

When calling or writing about your product, be sure to

mention model and serial numbers. Model and serial

numbers are located on nameplate(s) as shown.

W429SE1B

839311

Section 3

Troubleshooting

IMPORTANT: Refer to wiring diagram for aid in

testing washer components.

To reduce the risk of electric shock, fire, explosion, serious injury or death:

• Disconnect electric power to the washer before servicing.

• Never start the washer with any guards/panels removed.

• Whenever ground wires are removed during servicing, these ground wires must be

reconnected to ensure that the washer is properly grounded.

W003

WARNING

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