DOWNLOAD LG WT-80PV Service Manual ↓ Size: 4.42 MB | Pages: 39 in PDF or view online for FREE

Model
WT-80PV
Pages
39
Size
4.42 MB
Type
PDF
Document
Service Manual
Brand
Device
Washing Machine
File
wt-80pv.pdf
Date

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 
 
 
 
 25
 
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 
 
 26
 
 
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 
 
 27
 
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.
   
 
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 
● 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. 
● Reduce load size 
● Wash with POWER cycle for heavy soiled laundry 
● Separate heavily soiled items from lightly soiled ones. 
Blue, Gray or Brown 
stains 
●Undiluted fabric softener 
dispensed directly onto 
fabric  
● Rub the stain with bar soap. Wash. 
● Do not overfill fabric softener dispenser and do not pour 
liquid fabric directly onto fabric.
 
Black or gray marks 
on clothes 
● A buildup caused by the 
interaction of fabric 
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 
● Iron or manganese in 
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. 
Lint  
● Incorrect sorting 
● 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 
● Do not overload the washer。 
● Some Detergents need to be pre-dissolved, check the 
Detergent instructions. Try pre-dissolving the 
Detergent in warm water.   
● Increase Water Temperature using HOT water safe for 
fabric. 
● Use proper amount of Detergent. 
Holes, tears, or snags 
● Incorrect use of chlorine 
bleach 
● Unfastened zippers, 
hooks, buckles 
● Ribs, tears and broken 
threads 
● Never pour chlorine bleach directly on fabric。 
● Fasten zippers, hooks, and buckles。 
● Overloading the washer 
● Degradation of fabric 
● Remove objects in pockets。 
● Do not overload the washer. 
 
 28
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