DOWNLOAD LG WT5101HW Service Manual ↓ Size: 8.59 MB | Pages: 51 in PDF or view online for FREE

Many washing problems involve poor soil and stain removal, residues of lint and scum, and fabric damage. For
satisfactory washing results, follow these instructions.
NOTE: NEVER use bar soap in the washing machine.

Poor soil
removal

Blue Stains

Black or gray
marks on
clothes

Yellow or
brown rust
stains

Lint

Residue or
Detergent

Holes, tears,
or snags

·Insufficient detergent
·Wash water temperature too low
·Incorrect wash cycle
·Laundry missorted
·Stains not properly pretreated

·Undiluted fabric softener

dispensed directly onto fabric

·A buildup caused by the interaction

of fabric softener and detergent
can flake off and mark clothes

·Not enough detergent

·Iron or manganese in water

supply, water pipes, or water
heater

·Incorrect sorting
·Tissues left in pocket
·Overloading the washer

·Overloading the washer
·Undissolved detergent
·Excessive detergent

·Incorrect use of chlorine bleach.
·Unfastened zippers, hooks,

buckles

·Ribs, tears and broken threads
·Overloading the washer
·Degradation of fabric

·Use correct amount of detergent for load size, amount of soil and

water hardness.

·Use WARM or HOT water for normal soil. Different Water

Temperature may be required according to soil type. (refer to page 12)

·Reduce load size.
·Wash with Heavy or Soak & Heavy wash cycle for heavy soiled

laundry.

·Separate heavily soiled items from lightly soiled ones.
·Pretreat stain and heavy soil according to directions shown on

page 11.

·Pretreat the stain with detergent or a stain removal agent.
·Do not overfill fabric softener dispenser and do not pour liquid fabric

softener directly onto fabric.
See page 14 for more instructions.

·Keep the recommendations against Scrud (waxy buildup).
·Use correct amount of detergent for load size, soil level, 

and water Hardness.

·To restore discolored load of whites, use rust remover safe for

fabric.

·Install nonprecipitating water softener or an iron filter in your

water supply system for an ongoing problem.

·Before washing, run water for a few minutes to clear lines.

·Wash lint-producing items, like flannel sheets, towels, and the

like separately from dark fabrics and fabrics that tend to collect
lint. Remove all items, including tissues and papers, from the
pockets of items to be washed. See page 11 for sorting
information. 

·Do not overload the washer

·Do not overload the washer.
·Some detergents need to be pre-dissolved, check the

detergent instructions. Try pre-dissolving the detergent.

·Increase Water Temperature using HOT water safe for fabric.
·Use proper amount of detergent.

·Never pour chlorine bleach directly on fabric.

See page 13 for adding liquid bleach.

·Fasten zippers, hooks, and buckles.
·Remove objects in pockets. See page 11 for caring before loading.
·Do not overload the washer.

ERROR

ERROR DECISION

BASIS

CAUSE FOR ERROR

OCCURRENCE

REMEDY

WATER

SUPPLY

DRAINAGE

UNBALANCE

LID

OPEN

·WATER LEVEL

dose not rise to
the set level in within
30 minutes.

NO INLET

lamp blinks

·Water is not

completely
within 12 minutes.

·Laundry

unbalance during
spin.

·LID is opened in

the course of
intermittent spin,
normal spin or
processing
reservation.

·Water faucet is closed?
·Water supply is interrupted.

·Inlet V/V is clogged with

dirts.

·Connector has bad contact

to the inlet valve.

·BLUE 6-pin connector has

a bad connection at the main
board.

·Is the drain hose located

properly?

·Drain hose is folded or

clogged due to freeze or dirt.

·Defective drain pump or the

BLUE 3-pin connector to the
main board has a bad
connection. 

·Laundry in the INNER TUB

is filled unevenly.

·Washer is tilted.

·Lid is opened during

intermittent spin or normal
spin?

·Lid is opened while

processing reservation?

·Check the connections to the lid

switch and at the WHITE 6-pin
connector at the main board. 

·Open water faucet.

Wait until water supply is
resumed.

·Clean or replace filter.
·Correct the connector

contact.

·Same as above.

·Drain hose properly positioned

at 0.9 ~ 1.2 m (36 ~ 48 inches)
above the floor.

·Make sure the drain hose is not

plugged with a foreign object. 

·Check drain pump motor

contact. Replace the pump if
necessary. 

·Load the washer as evenly as

possible. 

·Adjust the leg.

·Close the lid.

·Close the lid.

·Check the connections. 
·If the connection is good, check

the lead wire and replace it if
necessary. 

▶ For more detailed information for trouble shooting refer to page 42 to 51.

ERROR

ERROR DECISION

BASIS

CAUSE FOR ERROR

OCCURRENCE

REMEDY

PRESSURE

SENSOR

OVER

FLOW

ERROR

MOTOR

ERROR

·Pressure switch has a

bad connection or the
switch has failed. 

·Check the connections at the

pressure switch and at the
BLUE 4-pin connector at the
main board.

·Test the pressure switch in

TEST MODE. If the initial
reading is less than 60 or more
than 104, the switch has failed
and must be replaced. 

·Check the valves to be sure

there is no input leakage. Then
check the drain hose and make
sure the drain pipe is between
0.9 ~ 1.2 m (36 and 48 inches)
above the floor.

·Check for blockages and leaks

in the air hose between the tub
and the pressure switch. 

·Check and repair any air

leakages at the air hose
connector on the outer tub and
at any connecting parts.

·Check the connections at the

hall sensor and at the WHITE 
6-pin connector on the main
board. 

·Check the connections at the

stator and at the yellow 3-pin or
WHITE 6-pin connector on the
main board. Test the stator to
determine it is not defective. 

·Test hall sensor to determine it

is not defective. 

·Turn the drum to verify the

bearings are not locked. 

·Reseat the connector. 

·Replace the switch.

·Install the drain hose between

0.9 ~ 1.2 m (36 and 48 inches)
above the floor. 

·Replace pressure sensor

switch

·Remove the foreign objects

in pressure sensor switch
air hose. 

·Replace the stator if necessary. 
·Replace the hall sensor if

necessary. 

·Replace the bearings if

necessary. 

ERROR

ERROR DECISION

BASIS

CAUSE FOR ERROR

OCCURRENCE

REMEDY

THERMISTOR

AC, MOTOR

(CLUTCH

MOTOR)

·Thermistor has a bad

connection or failed

·AC motor has a bad

connection or failed

·Clutching is failed

-.Coupling get out of

gear.

-.Coupling is broken. 

·Check the connections at the

Thermistor and at the WHITE 3-
pin connector at the main board

·Test thermistor to determine it is

not detective 

·Check the connections at the

AC motor and at the WHITE 6-
pin connector at the main board

·Test AC motor or coupling to

determine it is not detective 

·Reseat the connector.

·Replace the thermistor if

necessary.

·Reseat the connector.

·Replace the AC motor if

necessary.

·Replace the coupling or

Clutch housing if necessary.