LG WFT65A30DC / WFT85B31EE / WFT85B31EH / WFT85B31EP / WFT85B35EP / WFT95B31EP / WFT9200EP Service Manual ▷ View online
36
4-6. TEST RUNNING WITHOUT WATER
A) WFT60A30(1)A(B,C)P(H,C,D,E,F,M) / WFT65A30(1)D(E,F)P(H,C,D,E,F,M) /
WFT70A30(1)D(E,F)P(H,C,D,E,F,M) / WFT75B30(1)A(B)P(H,C,D,E,F,M) /
WFT85B30(1)D(E)P(H,C,D,E,F,M) / WF-TS728PC / WF-TS788TC /
WF-TS888PC / WF-TS988TH / WFT7800DP / WFT9200EP / WF-T8011D / WF-T7011D
WFT85B30(1)D(E)P(H,C,D,E,F,M) / WF-TS728PC / WF-TS788TC /
WF-TS888PC / WF-TS988TH / WFT7800DP / WFT9200EP / WF-T8011D / WF-T7011D
• To use the CHECK PROGRAM (QC TEST MODE), press WATER LEVEL, PROCESS and POWER button ON
without depositing any laundry.
• In QC TEST MODE all LEDs are on and press START(PAUSE) button to check over the following items.
NO
CHECK METHOD
DISPLAY
CHECK ITEM
1
2
3
4
5
6
7
Initial state
Press once
Press twice
Press 3 times
Press 4 times
Press 5 times
Press 6 times
• WATER LEVEL frequency is
on DISPLAY in the condition of
no water in TUB.
• After detecting laundry amount
the number of pulse is on the
DISPLAY.
• AUTO OFF.
• All LEDS ON.
64~70 DISPLAY.
• Laundry amount test.
• COLD water.
• HOT water. (option)
• If the LID is opened, is on the
DISPLAY. In that case, close the LID.
• DRAIN MOTOR is 1st start.
• DRAIN MOTOR is 2nd start and drain
pump is on.
• All LEDS OFF.
37
4-7. TROUBLE SHOOTING AGAINST 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.
satisfactory washing results, follow these instructions.
WASH PROBLEM
Possible Causes
Problems
Solutions & Preventive Measures
• 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 JEAN or Soak(SPEEDY SOAK) & JEAN wash cycle
• Wash with JEAN or Soak(SPEEDY SOAK) & JEAN wash cycle
for heavy soiled laundry.
• Separate heavily soiled items from lightly soiled ones.
• Pretreat stain and heavy soil according to directions shown on
• Pretreat stain and heavy soil according to directions shown on
page 11.
• Rub the stain with bar soap. Wash.
• Do not overfill fabric softener dispenser and do not pour liquid
• Do not overfill fabric softener dispenser and do not pour liquid
fabric softener directly onto fabric.
See page 14 for more instructions.
See page 14 for more instructions.
• Keep the recommendations against Scrud(waxy buildup). (refer
to scrud page14.)
• Use correct amount of Detergent for load size, amount of soil
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 givers eg towels, flannelette sheets, separately from lint
collectors eg synthetic fabrics and remove tissues in pockets
before wash. See page 11 for sorting and caring before loading.
before wash. See page 11 for sorting and caring before loading.
• Do not overload the washer
• Do not overload the washer.
• Some Detergents need to be pre-dissolved, check the Detergent
• 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.
• 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
• Remove objects in pockets. See page 11 for caring before
loading.
• Do not overload the washer.
Poor soil
removal
removal
• Not enough Detergent
• Wash Water Temperature
• Wash Water Temperature
too low.
• Overloading the washer
• Incorrect wash cycle
• Incorrect sorting
• Do not pretreat stain
• Incorrect wash cycle
• Incorrect sorting
• Do not pretreat stain
• Undiluted fabric softener
dispensed directly onto
fabric
fabric
• A buildup caused by the
interaction of fabric softener
and Detergent can flake off
and mark clothes
and Detergent can flake off
and mark clothes
• Not enough Detergent
• Iron or manganese in
water supply, water pipes,
or water heater
or water heater
• Incorrect sorting
• Tissues left in pocket
• Overloading the washer
• Tissues left in pocket
• Overloading the washer
• Overloading the washer
• Undissolved Detergent
• Use too much Detergent
• Undissolved Detergent
• Use too much Detergent
• Incorrect use of chlorine
bleach.
• Unfastened zippers,
hooks, buckles
• Ribs, tears and broken
threads
• Overloading the washer
• Degradation of fabric
• Degradation of fabric
Blue Stains
Holes, tears,
or snags
or snags
Black or gray
marks on
clothes
marks on
clothes
Yellow or
brown rust
stains
brown rust
stains
Lint
Residue or
Detergent
Detergent
38
4-8. TROUBLE SHOOTING METHODS ACCORDING TO ERROR MESSAGE
For more detailed information for trouble shooting refer to page 46 to 57.
ERROR DECISION
CAUSE FOR ERROR
BASIS
OCCURRENCE
REMEDY
ERROR
• WATER LEVEL
does not rise to the
set level in 40
minutes.
• Water is not
completely drained
in 10 minutes.
• Laundry unbalance
during spin.
• In the second QC
Mode the following
message is displayed.
WATER
SUPPLY
& INLET
V/V.
DRAINAGE
UNBALANCE
OVER
FLOODING
ERROR
• Water faucet is closed?
• Water supply is interrupted.
• Inlet V/V is clogged with dirts.
• Connector has bad contact to
the inlet valve.
• Yellow(YL) 2 pin connector has
bad contact to the P.W.B ASM.
• Is the drain hose located
properly?
• Drain hose is not lowered.
• Drain hose is folded or clogged
due to freeze or dirts.
• Bad Drain Motor part or
WHITE(WH) 2 pin connector to
the P.W.B ASM has bad
connection.
• Laundry in the INNER TUB is
filled unevenly.
• Washer is tilted.
• S.F S/W is too closed to the
washing tub, or has bad contact.
• Is the CONNECTOR of Ball
pressure sensor disconnected
or badly tonched?
• Check INLET valve
• Open water faucet.
• Wait until water supply is
resumed.
• Clean or replace filter.
• Correct the connector contact.
• Same as above.
• Hung up drain hose at 0.9~1.3m
high. (For pump)
• Put the hose lower.
(For : Non-pump)
• Unclog the drain hose.
• Replace Drain Motor or correct
the connector contact.
• Try to fill laundry uniformly in the
inner tub.
• Adjust the leg.
• Check and replace S.F S/W.
• Check B.P SENSOR
CONNECTOR or replace B.P
sensor
39
ERROR DECISION
CAUSE FOR ERROR
BASIS
OCCURRENCE
REMEDY
ERROR
• LID is opened in the
course of
intermittent spin,
normal spin or
processing
reservation.
• SIGNAL
continuously ringing.
• Water Pressure
Switch is off.
• AUTO OFF relay
S/W is out of order.
• In the second QC
MODE, the following
message is
displayed.
DOOR
OPEN
PRESSURE
SENSOR
AUTO
OFF
LAUNDRY
AMOUNT
SENSOR
• Lid is opened during intermittent
spin or normal spin?
• Lid is opened while processing
reservation?
• Connector to the S.F S/W or
VIOLET(VL) 2 PIN
CONNECTOR to the P.W.B ASM
has bad connection.
• S.F S/W or BALL PRESSURE
SENSOR is bad or bad contact.
• Is placed magnetic in LID-B?
• Connector the Ball Pressure
Sensor(Pressure Switch) or
BLUE(BL) 3 pin connector to
P.W.B ASM has bad connection.
• Ball Pressure Sensor
(Pressure Switch) is bad.
(In the initial state of QC TEST
MODE, the number on the
DISPLAY is less than 63 or
more than 70)
• BLUE(BL) 1pin connector to
P.W.B ASM has bad connection.
• Check MOTOR, CLUTCH,
V-BELT, CONDENSOR.
• Check over all connectors if
they have bad connection.
• Closed the lid.
• Closed the lid.
• Correct the connector contact.
• Check and replace S.F S/W or
BALL PRESSURE SENSOR.
• Change the LID-B.
• Correct the connector contact.
• Replace Ball Pressure
Sensor(Pressure Switch).
• Correct the connector contact.
• Change P.W.B ASM.
• Adjust or replace those parts.
• Correct the connectors contact.
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