Before Using For The First Time; Check And Find Water Hardness Level; Setting Up The Softening System Level Of Your Dishwasher - LG D1451W Owner's Manual

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BEFORE USING FOR THE FIRST TIME

※ You have to check your water hardness and set the softening system level before
operating your dishwasher.
Step 1. Check and find water hardness level
■ Method 1
1) Check the water hardness in your area.
(Your water utility company can help you with this.)
2) Set the softening system level of your dishwasher
according to the water hardness level.
Refer to Step 2.
■ Method 2
1) Check your water hardness by using test strip. (
2) Test Procedure
① Immerse all reaction zones of the test strip for approx.1sec (not in running water!).
② Shake off excess liquid from the strip and wait for 1min.
Then, the green colour of the reaction zone will change to the red-violet.
③ Count the number of red-violet from the strip.
Number of
the areas
d
°
(red-violet)
<7
1
7 - 14
2
14 - 21
3
>21
4
3) Set the softening system level of your dishwasher according to the water hardness level.
Refer to Step 2.
Step 2. Setting up the softening system level of your dishwasher
Adjust the water softener to the setting corresponding to the water hardness level in your area.
The water softener has 8 adjustment levels.
The dishwasher is programmed at the factory for a water hardness level of
This can be checked and altered by using the buttons on the control panel.
1. First, ensure the dishwasher is switched off.
2. Press Half Load and Power button simultaneously and keep them pressed.
3. To change the setting:
Simply press the Half Load button, then the figure will change one by one.
The display will change between
4. Once the hardness setting is correctly adjusted, press the Delay Start button.
The hardness setting is then saved.
Hardness setting
< Water hardness level >
Hardness range
mmol/l
mg/l
e
f
°
°
(Ca+Mg)
<9
<12,5
<1,3
9 - 17,5
12,5 - 25
1,3 - 2,5
50 - 100
17,5 - 26
25 - 37
2,5 - 3,8
100 - 150
>26
>37
>3,8
Softening
Water
system
quality
level
Ca
<50
soft
H0, H1
moderately hard
H2, H3
hard
H4, H5
>150
very hard
H6, H7
and
.
15
< Water hardness level >
( * L : Softening system level)
)
1
e = 14.25 mg/l CaCO
°
1
f = 10 mg/l CaCO
°
1
d = 10 mg/l CaO (=1,78
°
°
.
f) (=1,25
e)
°

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