LG WT-W7111TH Service Manual ▷ View online
20
9.TEST RUNNING WITHOUT WATER
• To use the CHECK PROGRAM (QC TEST MODE),while pressing the WATER LEVEL&WATER TEMP.
buttons, press the POWER button.Do not deposit any laundry in the wash tub while in this mode.
• 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
Water level frequency is on Display
in the condition of no water in TUB.
in the condition of no water in TUB.
After detecting laundry amount and
display the number of pulse is on
the display.
display the number of pulse is on
the display.
Detecting atmosphere temperature,
and display temperature.
and display temperature.
After detecting IPM’s temperature,
and display temperature.
and display temperature.
The outlet power supply voltage is
displayed.
displayed.
Drain motor (for clutching ) is on.
Drain motor (for clutching) is off.
Auto off
ALL LED is on B.P Sensor check.
❄
64~70 display
Laundry amount test
Cold water valve on.
Hot water valve on.
Drain motor(pump) On.
Reed switch check. (If the lid is opened,
the “ ” error displayed.)
Reed switch check. (If the lid is opened,
the “ ” error displayed.)
Atmosphere temperature sensor (The
number is above than 10 degrees the
sensing temperature)
number is above than 10 degrees the
sensing temperature)
IPM’s temperature sensor (The number is
above than 10 degrees the sensing
temperature)
above than 10 degrees the sensing
temperature)
This mode can be rotate pulsator.
This mode can be rotate drum.
All led is off.
Initial State
Press once
Press twice
Press 3 times
Press 4 times
Press 5 times
Press 6 times
Press 7 times
Press 8 times
Press 9 times
Press 10 times
Press 11 times
1
2
3
4
5
6
7
8
9
10
11
12
21
Fig.1
Fig.2
Fig. 3
Be sure to unplug the power to repair and replace
electric parts.
10-1. Replacement of Filter assembly part
Loosen the two screws on the back side and
disassemble back panel from top cover.
Loosen two screws on the noise filter and take off all
connectors from noise filter assembly.
[That has a slow blown type fuse
220-240V~ : 250V/8A, 110-127V~ : 12V/12A]
10-2. Disassembling of Top Cover
Loosen the two front special screws and the two
fixing screws in the back side(Fig.4) and disassemble
top cover from washing machine.
10. DISASSEMBLY AND FUSE(Noise Filter) REPLACEMENT
Be sure to make earth connection for trouble
diagnosis and parts replacement. If impossible, touch
earth wire on the body to remove electric deviation
between the body and product before work.
diagnosis and parts replacement. If impossible, touch
earth wire on the body to remove electric deviation
between the body and product before work.
CAUTION FOR ELECTROSTATICS
Fig. 4
22
10-3. Replacement of Tub Parts
As in Fig.5, disassemble top cover and loosen the
8 screws on tub cover.
As in Fig.6, take out Inner tub cap assembly with
" " type driver. Unscrew one hub fixing nut and
then one hub spring washer. Pull up washing/dry
tub.
10-4. Replacement of Rotor & Stator
Disassemble rotor nut with boxer(M18) or spanner.
(
In assembled, the force is over than 200kgf.cm)
Disassemble rotor, pull out the rotor as shown
Fig 8
Fig. 5
Fig. 6
Fig. 7
Fig. 8
23
Disconnect the drain motor wire, loose fixing screw
and disassemble the water guide and drain motor
Before disassemble stator, disconnect the hall
sensor and stator housing.
Loosen the 6 fixing screws on the stator.
(Lower
upper position screws)
Preventing fallen the stator, tighten with one hand
and then loosen the last screw.
Fig. 9
Fig. 10
Water Guide
Fixing Bolt
Stator Housing
Fig. 11
Stator
Fig. 12
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