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Troubleshooting By Common Washing Problems - LG WT5070C series Service Manual

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Many washing problems involve poor soil and stain removal, residues of lint and scum, and fabric damage. For
satisfactory washing results, follow these instructions.
Use ONLY powdered or liquid HE (High Effificiency) detergents. Do NOT use flakes scraped from a soap cake
or bar, flakes, soap ribbons (available in some markets,) detergent tablets, plastic pouches, magic laundry
balls, or anything other than powdered or liquid HE detergent products. Do not use soap of any kind. Do not
use other types of detergent or soap products, such as hand soap, dishwashng liquid, or any others.
·Insufficient detergent
Poor soil
·Wash water temperature too low
·Incorrect wash cycle
·Laundry missorted
·Stains not properly pretreated
Blue Stains
·Undiluted fabric softener
dispensed directly onto fabric
·A buildup caused by the interaction
Black or gray
marks on
of fabric softener and detergent
can flake off and mark clothes
·Not enough detergent
Yellow or
·Iron or manganese in water
brown rust
supply, water pipes, or water
·Incorrect sorting
·Tissues left in pocket
·Overloading the washer
·Overloading the washer
Residue or
·Undissolved detergent
·Excessive detergent
Holes, tears,
·Incorrect use of chlorine bleach.
·Unfastened zippers, hooks,
or snags
·Ribs, tears and broken threads
·Overloading the washer
·Degradation of fabric
Possible Causes
Solutions and 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. (refer to page 10)
·Reduce load size.
·Wash with heavy or soak & heavy wash cycle for heavy soiled
·Separate heavily soiled items from lightly soiled ones.
·Pretreat stain and heavy soil according to directions shown on
page 15.
·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 13 for more instructions.
·Keep the recommendations against scum (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
·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 9 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 11 for adding liquid bleach.
·Fasten zippers, hooks, and buckles.
·Remove objects in pockets. See page 9 for caring before loading.
·Do not overload the washer.

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