LG WM2277H Series Installationsanleitung

LG TRAINING MANUAL

WM2277H* Washing Machine - Fall 2007

LG TRAINING MANUAL

WM2277 WASHER PAGE 4 of 84 TRAINING MANUAL

Safety Notices and Cautions 1

Contents 2

Introduction 4

Features 5

HE Detergent Instructions 6

Serial Number Information 7

Fuzzy Logic 8

Door Lock and Door Lock Lamp 8

Water Circulation (some versions) 9

Parts Identification 10

Accessories 11

Installation 12

Shipping Bolts 13

Leveling Legs 14

Pedestal Kit 15

Connections (Water, Drain, Electricity) 17

Control Panel 18

Option Buttons and Option Chart 19

Control Panel (Full explanation of all controls) 20

Program (Cycle) Chart 21

Dispenser 22

Direct Drive Motor 24

Hall Effect Sensor 25

Hall Effect Sensor Test Procedure 26

Test Mode 31

Water Level Frequency Test 31

Error Display 32

Diagnosis and Check List 34

No Power 34

Water Inlet Issue (IE) 34

Door Error (dE) 35

Drain Error (OE) 35

Suds Overflow 36

Dispenser does not dispense laundry products 36

Rel. 1.1 070831

WM2277 WASHER PAGE 5 of 84 TRAINING MANUAL

Fault Diagnosis and Troubleshooting Checklists 37

No Power 37

Vibration and Spin 38

No Water Supply 39

No Detergent 39

No Softener or Bleach 40

Heater Operation Without Water (pressure sensor issue) 41

Drain Malfunction 41

Heater Malfunction 42

Heater Overrun (continuous overheating) 42

No Water Circulation (some models) 43

Spin Malfunction 44

Disassembly and Repair 45

Block Wiring Diagram and Main Board 45

Control Panel 46

Main Board 47

Dispenser 48

Noise Filter 48

Front Cabinet, Tub, and Drum 49

Door 52

Pump(s) 53

Heater 55

Thermistor 55

Removal of foreign object between drum and tub 56

Motor 57

Damper (Suspension) 58

Water Level Switch 59

Tips and Tricks 60

Main Board and Connector Layout 61

Draining the Sump 61

Exploded View 62

Parts List 65

Service Bulletins 69

WM2277 WASHER PAGE 6 of 84 TRAINING MANUAL

INTRODUCTION

The WM2277** washer is most notable in that there are two distinct versions with

this same model number. The only way to tell them apart is by date code, which

is included in the serial number. (See page 7 concerning serial numbers.) Models

with a date code of 608 or later are the newer model (without the recirculation

pump); models beginning with 607 or earlier are the older models (with the

recirculation pump).

The later series includes three added options: TubClean, SpinSense, and

Water+Plus. The recirculating pump has been eliminated and the pump housing

changed accordingly. As a result, there have been changes in the display board

and assembly, the main control board, the flat cable, the owner’s manual, and

the tub size.

SPECIFICATIONS

Item WM2277H*

Color W– White, B– Black, S– Titanium

Power Input 120 VAC, 60 HZ

Weight 190 lbs (86 kg)

Washing 280 W

Drain Motor 80 W

Electric

Power

Consumption Water Heater 1000 W

Wash 42 rpmDrum Speed

Spin 0 ~ 1150 rpm

Options Prewash, Stain cycle, Extra Rinse,

Rinse+Spin, Delay wash, Water Plus

Cycles 7

Wash/Rinse temperatures 5

Options Prewash, Stain cycle, extra rinse,

Rinse+Spin, Delay Wash, Water+Plus

Custom Program Available

Water Circulation Pump Varies by production date

Control Type Electronic

Water Pressure Requirement 4.5 ~ 145 PSI (30 ~ 1,000 kPa)

Wash Capacity (cu. ft.) 3.32 (3.83 IEC)

Dimensions W x D x H 27” x 29¾” x 3811/16” (5013/16 door open)

Delay Wash up to 12 hours

Water Levels 10 steps, controlled by sensor

Load Sensing Included

Error Diagnosis Included

Auto Power-Off Included

Child Lock Included

Remote Laundry Monitor Available

WM2277 WASHER PAGE 7 of 84 TRAINING MANUAL

FEATURES

LARGE CAPACITY

The larger drum (3.83 cu. ft. I.E.C.) allows washing

of larger (heavier) loads and oversized items

(comforters, curtains, blankets, etc.) There is less

wrinkling and tangling of the laundry.

DIRECT DRIVE

The brushless DC motor drives the drum directly

without belts, pulleys, or transmissions. The

maximum spin speed of 1,150 RPM extracts more

water from the laundry, reducing drying times.

TILTED DRUM and LARGE DOOR

The tilted drum (10°) and large door opening allow

easier loading and unloading.

ROLLER JETS and BALLS

The baffles pick up water as the drum turns and

allow it to pour through the clothing as it tumbles.

The balls enhance the washing performance while

maintaining fabric care.

AUTOMATIC LOAD DETECTION

The microprocessor reads the current required to

turn the drum and determines the weight of the

load. This input is used to make numerous

decisions during the wash cycle.

WM2277 WASHER PAGE 8 of 84 TRAINING MANUAL

FEATURES, continued

BUILT-IN HEATER

The internal heater helps maintain the water at

its optimal temperature for selected cycles. The

SANITARY cycle kills most common germs and

bacteria.

CHILD LOCK

This allows the user to lock the controls. Children

then cannot play with the buttons and disturb the

wash cycle.

USE ONLY HE DETERGENT

(HIGH EFFICIENCY)

Use only HE detergents. These machines need no

more than 2 tablespoons of powdered or 1 ounce

of liquid detergent for a load. Overuse of laundry

products will reduce efficiency and cause buildup

and odors in the machine.

Use fabric softener sparingly. We suggest no

more than 2 teaspoons per load.

Be careful when using the Ultra or X-tra

concentrated brands, because very thick or

highly viscous liquids do not dispense properly.

You might need to use a different product or dilute

your preferred product before putting it into the

dispenser.

Remember, these machines use small amounts of

water, so you need small amounts of detergent,

softener, and bleach.

WM2277 WASHER PAGE 9 of 84 TRAINING MANUAL

SERIAL NUMBER INFORMATION

The serial number is unique to each product. It gives information concerning the

time and place of manufacture. The serial number is required to be paid for

warranty service and to get the correct part in the event a running production

change was made. Some models may have four (4) letters instead of two (2) for

the product code number. The third and fourth letters are significant only to the

manufacturing facility.

This chart will help you decode the serial number.

Eventually, serial numbers will all be migrated to this new format, which includes

a sequential production number, model code, date code, and other information.

WM2277 WASHER PAGE 10 of 84 TRAINING MANUAL

FUZZY LOGIC

To get the best washing performance, the user selects one of the standard

cycles. Sensors in the washer allow the microprocessor to make an infinitely

variable number of adjustments as the cycle progresses. Adjustments are made

automatically for load size, incoming water temperature, soil level, rinses

required, and other variables.

DOOR LOCK

The door has an automatic, electrically operated lock system. When the machine

is off or paused, the door can be opened by pulling it. When the machine is

operating, the electric latch keeps the door closed.

The door cannot be opened:

•When the washer is operating

•When the power failed or the washer is unplugged

(until the capacitor discharges and releases the lock)

•When the DOOR LOCK light is on

•When the drum is still turning

DOOR LOCKED LAMP

The DOOR LOCK lamp lights:

•When the washer is operating

•When the water level sensor frequency is lower than 22.9 kHz

•When the temperature inside the tub is over 45° C (113°F)

WM2277 WASHER PAGE 11 of 84 TRAINING MANUAL

WATER CIRCULATION (Some Versions)

On earlier versions of the WM2277, the recirculation pump circulates the water

during most of the cycle. Later versions do not include the recirculation pump.

During the WASH cycle, the pump runs continuously for the first 3 minutes and

then intermittently throughout the cycle. During the RINSE cycle, it runs

continuously as soon as the appropriate amount of rinse water has been added.

This recirculated water enters the drum at the top of the door at a small shower

head. This spray not only keeps the window and gasket clean, it allows the

clothes to be soaked with detergent or rinse water more quickly and can be used

to control an oversudsing event.

The recirculation pump is separate

from the drain pump, but they are

attached to opposite sides of the

filter housing.

The pump(s) and filter are located at

the bottom left front corner. The filter

can be unscrewed, cleaned, and

replaced. Earlier versions include

a recirculation pump; later versions

do not.

Use the small drain hose to

evacuate the water remaining in the

bottom of the tub before removing

the filter.

DRAIN RECIRCULATION

The drain pump is on the left and

exhausts the water via the gray

corrugated hose.

Older versions of the 2277 have a

recirculating pump on the right,

which recirculates water from the tub

to the shower spray at the top of the

door gasket via the smaller black

hose. Newer versions do not have

the recirculating pump. (See pages

54 and 63.)

WM2277 WASHER PAGE 12 of 84 TRAINING MANUAL

PARTS IDENTIFICATION

(Front of Washer)

(Back of washer)

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