LG WT-80PV Service Manual ▷ View online
11. Troubleshooting
11-1.Check the problem against the list bellows
Symptom Error
Message
Check up
Check up
Water supply failure
● Is the water tap shut off?
● Is the water supply cut off?
● Is the water tap, water hose or inlet valve
clogged?
● Is the connector connected?
Drainage Failure
●Is the drain hose positioned correctly?
● Is the drain hose bent or placed too high?
● Is the internal part of the hose clogged?
Spin failure
● Is the laundry evenly balanced?
● Is the washing machine placed on a flat
surface?
● Is too much detergent used?
Door(Lid ) open
● Is the lid closed?
failure
Overflow failure
Electric failure
● see detailed information later
Power failure
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11-2. Display troubleshooting according to errors
Problems
Reasons
Possible causes
Solution measures
Water
supply
● Sensor null water level is under
26.0khz when watering for 12
minutes.
● Sensor the water level remains
unchanged every 5 minutes with
water supply above null water level.
● water tap is shut off
● water supply is cut off
●Inlet valve is clogged
● Connector is installed
improperly.
●Connection error of inlet
valve six-leg connector
and sub PC board.
● Turn on water tap
●Wait for water supply
● Clean or replace filter
● Connect connectors
properly
● As above
drainage
● Water does not drain within 12
minutes.
● Sensor water level is under 25.7khz for
6 times during SPIN with water.
● Is the drain hose
positioned correctly?
● Is the drain hose
clogged with impurities.
● Is the internal part of
the hose clogged
● Height of drain hose
should be less than 6 cm
from the floor.
● Remove any foreign
objects inside pump.
● Replace the drain motor
or connect connectors
properly.
Unbalance
●
Three open circuits occur during
SPIN due to clothing placed
unevenly.
● laundry in the tub is
placed unevenly.
● The washer is placed on
an un-flat surface.
● Place the laundry
evenly
● Adjust Adjustable Legs
Door(Lid)
Open
● Lid is open during SPIN and WASH
● Continuous Alarm
● Lid is open during SPIN
Process.
● Lid is open during
WASH PROCESS
● Connection error of PC
board connectors.
● Close lid
● Close lid
●Connect connectors
properly.
● Check over
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Problems
Reasons
Possible causes
Solution measures
sensing
failure
● Water level switch is
close
● Connection error of water level
switch or eight-leg PC board
connector
● Air chamber or hose is clogged.
● Water level switch is damaged。
●Connect connectors properly
● Fix air chamber and remove
foreign objects.
●Replace water level switch
Overflow
failure
● Check if the leakage or drain
hose height extends 6cm
from the ground.
● Check if outer tub pore or air
tube is clogged.
● Check if there is leakage in
pores, air tubes or connectors
● Place drain hose 6cm
underneath.
●Replace water level switch
Motor
failure
● Connection error of Hall
element or eight-leg PC board
connector
● Connection error of Motor
stator or Yellow 3-leg PC board
connector
● Hall element is damaged
● Stuck by clutch
● Connect connectors properly
● replace stator
● replace clutch
● replace PC board
Clutch
failure
● Drain motor connector looses
●Connect connectors properly
● Connector output voltage is
abnormal.
● Replace PC board
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12. Maintenance Guide
12-1.Common washing problems
Many washing problems involve poor soil&stain removal, residues of lint and scum, and fabric
damage. For satisfactory washing results, follow these instructions.
damage. For satisfactory washing results, follow these instructions.
WASH PROBLEM
Problems Possible
causes
Solution& Preventive Measures
Poor soil removal
● Not enough detergent
● Wash water temperature
too low
● Overloading the washer
● Incorrect wash cycle
● Incorrect sorting
● Do not pretreat stain
● Wash water temperature
too low
● Overloading the washer
● Incorrect wash cycle
● Incorrect sorting
● Do not pretreat stain
● 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.
type.
● Reduce load size
● Wash with POWER cycle for heavy soiled laundry
● Separate heavily soiled items from lightly soiled ones.
● Wash with POWER cycle for heavy soiled laundry
● Separate heavily soiled items from lightly soiled ones.
Blue, Gray or Brown
stains
stains
●Undiluted fabric softener
dispensed directly onto
fabric
fabric
● Rub the stain with bar soap. Wash.
● Do not overfill fabric softener dispenser and do not pour
● Do not overfill fabric softener dispenser and do not pour
liquid fabric directly onto fabric.
Black or gray marks
on clothes
on clothes
● A buildup caused by the
interaction of fabric
softener and Detergent
can flake off and mark
clothes.
softener and Detergent
can flake off and mark
clothes.
● Not enough detergent
● Use correct amount of detergent for load size, amount of
soil and water hardness.
Yellow or brown rust
stains
stains
● Iron or manganese in
water supply, water pipes
● Not enough detergent
water supply, water pipes
● Not enough detergent
●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.
lines.
Lint
● Incorrect sorting
● Tissues left in pocket
● overloading the washer
● Tissues left in pocket
● overloading the washer
● Wash lint givers eg towels, flannelette sheets, separately
from lint collectors eg synthetic fabrics。
● Remove tissues in pockets before wash. See attentions
for sorting and caring before loading.
● Do not overload the washer
Residue or detergent
● Overloading the washer
●Undissolved detergent
● Use too much Detergent
●Undissolved detergent
● Use too much Detergent
● Do not overload the washer。
● Some Detergents need to be pre-dissolved, check the
● Some Detergents need to be pre-dissolved, check the
Detergent instructions. Try pre-dissolving the
Detergent in warm water.
Detergent in warm water.
● Increase Water Temperature using HOT water safe for
fabric.
● Use proper amount of Detergent.
fabric.
● Use proper amount of Detergent.
Holes, tears, or snags
● Incorrect use of chlorine
bleach
● Unfastened zippers,
bleach
● Unfastened zippers,
hooks, buckles
● Ribs, tears and broken
threads
threads
● Never pour chlorine bleach directly on fabric。
● Fasten zippers, hooks, and buckles。
● Fasten zippers, hooks, and buckles。
● Overloading the washer
● Degradation of fabric
● Degradation of fabric
● Remove objects in pockets。
● Do not overload the washer.
● Do not overload the washer.
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