WM3875HWCA - LG Washing Machine Service Manual (repair manual). Page 23

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24
If you press the START/PAUSE button when an error is displayed, any error except       PE ERROR
will disappear and the machine will go into the pause status.
In case of       PE ERROR,       tE ERROR, 
dE ERROR if the error is not resolved within 20
seconds, or in the case of other errors, if the error is not resolved within 4 minutes, power will be
turned off automatically and the error code will blink. But in the case of       FE ERROR, power will not
be turned off.
8-1. SAFETY CAUTION
Both 120 volts AC and DC voltages are present on the main board. Be careful to avoid a shock
hazard.
After cutting off the power when changing PWB assembly, disconnect or assemble.
Be careful static when handling PWB assembly, and use Electro Static Discharge plastic pack when
delivering or keeping it.
ERROR
SYMPTOM
CAUSE
WATER INLET
ERROR
• Correct water level (24.6kHz) is not reached within 
8 minutes after water is supplied or it does not reach
the preset water level within 20 minutes.
IE ERROR
NO WATER SUPPLY.
CHECK TAP & HOSE.
(LGUS)1-800-243-0000
(LGCANADA)1-888-542-2623
1
UNBALANCE
ERROR
• The load is too small.
• The appliance is tilted.
• Laundry is gathered to one side.
• Non distributable things are put into the drum.
2
DRAIN ERROR
• Not fully drained within 10 minutes.
3
OVERFLOW ERROR
• Water is overflowing. 
(water level frequency is over 21.3kHz).
If      
FE ERROR
is displayed, the drain pump will
operate to drain the water automatically.
4
PRESSURE SENSOR
ERROR
• The PRESSURE SENSOR ASSEMBLY is out of
order.
• When water level frequency maintain condition of
below 10 kHz and over 30 kHz.
5
DOOR OPEN ERROR
• Door not all the way closed.
• Loose electrical connections at Door switch and
PWB Assembly.
• The DOOR SWITCH ASSEMBLY is out of order.
6
HEATING ERROR
• The THERMISTOR is out of order.
7
8. TROUBLESHOOTING
8-2. ERROR MODE SUMMARY
UE ERROR
LOAD IS OUT OF BALANCE.
REARRANGE WASH LOAD.
(LGUS)1-800-243-0000
(LGCANADA)1-888-542-2623
OE ERROR
NOT DRAINING.
CHECK THE DRAIN HOSE & FILTER.
(LGUS)1-800-243-0000
(LGCANADA)1-888-542-2623
FE ERROR
SEE OWNER`S
MANUAL.
(LGUS)1-800-243-0000
(LGCANADA)1-888-542-
2623
PE ERROR
SEE OWNER`S
MANUAL.
(LGUS)1-800-243-0000
(LGCANADA)1-888-542-
2623
dE ERROR
THE DOOR IS OPEN.
PLEASE CLOSE THE DOOR
COMPLETELY. 
(LGUS)1-800-243-0000
(LGCANADA)1-888-542-2623
tE ERROR
SEE OWNER`S MANUAL.
(LGUS)1-800-243-0000
(LGCANADA)1-888-542-2623
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