LG Wm2487h M Service Manual

11
5. OPERATION
■WM2487H*M 

12
• Use this button to turn the power On/Off.
• Rotate the  Cycle selector knob to select the cycle designed for
different types of fabric and soil levels. • Use this button to Start/
Stop the washer.
• It shows elapsed time of the cycle the washer is
operating.
Power Button Status Indicator
Start/Pause
Cycle Selector Knob 

13
•PREWASH: Use this option for loads that need pretreatment. It adds 16 minutes pre\
wash and a spin cycle.
• RINSE+SPIN : Use this option to rinse and then spin.
• EXTRA RINSE : This option provides an additional rinse.
• STAIN CYCLE : Adds time to the wash and rinse cycles for better stain removal. Autom\
atically provides a rinse.
•  WATER PLUS : Add extra water to the wash and rinse cycles for superior results.
• Select a water temperature based on the type of load you are washing. 
• To change the...

14
 **
Cool-down**Approx.
(Minutes)
* Wash time is in minutes.
** The total working time will vary with the load size,
    water temperature and ambient temperature.
Normal
Bulky
/Large  
Hand Wash
/Wool Baby Wear
25
120
14
1970
6. WIRING DIAGRAM/PROGRAM CHART
NA
BL10 11 1267892345110 11 126789
2345
1623451
6
2345
1
INLET VALVE
DISPLAY PWB DISPLAY PWB
623451
6
2345
1
623451623451
623451
2341
234
1MAIN PWB
WASH AGWH
  /
123456
123 123
123
4 1234
1234 21
2121
2121
21
56 123456
1234 1234
12341234
1234...

15
7. TROUBLESHOOTING
7-1. BEFORE PERFORMING SERVICE
Be careful of electric shock when disconnecting parts while troubleshoot\
ing.
The voltage of each terminal is 120 V AC and DC when the unit is plugged\
 in.
7-2. QC TEST MODE.
The washer must be empty and the controls must be in the off state.
1. Press the SPIN SPEED and SOIL LEVEL buttons simultaneously.
2. Press the Power       button, while the above condition. Then buzzer \
will sound twice.
3. Press the Start/Pause      button repeatedly to cycle...

16
7-4. ERROR DISPLAY
If you press the START/PAUSE button when an error is displayed, any error except will
disappear and the machine will go into the pause status.
In case of if the error is not resolved within 20 sec., or the in case of other err\
ors,
if the error is not resolved within 4 min., power will be turned off aut\
omatically and the error code will
blink. But in the case of 
, power will not be turned off.
ERROR SYMPTOM CAUSE
WATER INLET
ERROR • Correct water level (246) is not reached...

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ERROR SYMPTOMCAUSE
• The connector (3-pin, male, white) in the MOTOR
HARNESS is not connected to the connector 
(3-pin, female, white) of STATOR ASSEMBLY.
• The electric contact between the connectors  (3-pin, male, white) in the MOTOR HARNESS 
and 4-pin, female, white connector in the MAIN PWB
ASSEMBLY is bad or unstable.
• The MOTOR HARNESS between the STATOR ASSEMBLY and MAIN PWB ASSEMBLY is cut (open
circuited).
• The hall sensor is out of order/defective.
8
9
LOCKED MOTORERROR
• 
The washer...

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8-1. DIAGNOSIS AND SOLUTION FOR ABNORMAL OPERATION
8. ERROR DIAGNOSIS AND CHECK LIST
SYMPTOMGUIDE FOR SERVICE CALL
No power 
Water inlet trouble





  


 
Is the power plug connected firmly to 
120 V AC outlet?
Power failure? or Breaker opened?
Is the outlet controlled by a switch?
Visit to service. 
Is displayed?
Is the tap opened?
Is the tap frozen?
Is the water supply shut-off?
Is filter in the inlet valve clogged with
foreign material?
Visit to service. 
Clean the filter of
inlet valve 

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SYMPTOMGUIDE FOR SERVICE CALL
Door error
Drain trouble
Was the load too large? Visit  to service.
Visit  to service. 

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SYMPTOM                            GUIDE FOR SERVICE CALL
Suds overflow from the
appliance.
(In this condition, wash and 
spin do not operate normally)








SOFTENER MAX
Is a HE (High Efficiency) detergent used?
Is the proper amount of detergent used 
as recommended?
Recommend to reduce the amount 
of detergent.
Is liquid laundry product put in the correct
compartment of the  dispenser?
Is the cap clogged?
Explain proper use of liquid laundry products.
Clean the compartment.   Visit to service....