LG DFB425FP User Manual download pdf (Page 18)

OPERATION

Before Using the Appliance

This model has a water softener to soften hard

water.

NOTE

• The appliance can be used without

dishwasher salt if not required, however, the

hardness level needs to be set to H0 so that

the icon does not remain lit.

• In order to provide satisfactory rinsing results,

the appliance requires soft water, i.e.,

containing little or no lime, otherwise water

stains will be left behind on the dishes and

inside the appliance.

• If the tap water exceeds a certain level of

hardness, it must be softened, i.e., decalcified.

This is achieved by adding dishwasher salt to

the water softener inside the appliance. The

required amount of the salt is set up according

to how hard tap water is.

Checking Water Hardness Level

Method 1

Check the water hardness in your area. The

water utility company can help you with this.

Set the softening system level of the

appliance according to the water hardness

level.

Method 2

You can check water hardness by using the test

strip included in the product.

Immerse all reaction zones of the test strip

for about a second. Do not in running water.

Shake off excess liquid from the strip and

wait for 1 minute.

Check the water hardness color from the

strip. Refer to the wrapper.

Water Hardness Table

The value

hardness

Hardness range

Water

quality

Softening

system

level

°d °e °f

mmol/l

(Ca+Mg)

mg/l

0 <4 <5 <7 <0.7 <29 Soft H0

75 4 - 7 5 - 9 7 - 13 0.7 - 1.3 29 - 50

125 7 - 14 9 - 17.5 13 - 25 1.3 - 2.5 50 - 100 H2

250 14 - 21 17.5 - 26 25 - 38 2.5 - 3.8 100 - 150 H3

375 >21 >26 >38 >3.8 >150 Hard H4

1 ... 17 18 19 ... 56

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LG DFB425FP User Manual Page 18

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