DOWNLOAD LG 3727366 Service Manual ↓ Size: 14.34 MB | Pages: 44 in PDF or view online for FREE

Model
3727366
Pages
44
Size
14.34 MB
Type
PDF
Document
Service Manual
Brand
Device
Washing Machine
File
3727366.pdf
Date

LG 3727366 Service Manual ▷ View online

24
Softener
cap
25
Replace the
SENSOR SWITCH
ASSEMBLY.
When pressing WASH/RINSE and Delay Wash at
the same time after draining, is  the water level
frequency 255?  
When pressing WASH/RINSE and SOIL LEVEL
buttons at the same time while washing, is the water
level frequency between 230 - 243 ?
Replace the MAIN PWB
ASSEMBLY.
Check the voltage between two pins while pressing
the POWER button. Is the voltage 220 V AC?
Repair the DRAIN HOSE
ASSEMBLY.
Is the drain hose twisted or frozen?
Remove foreign material.
Is the impeller of the drain pump clogged?
Reconnect or repair the
connector
Is the connector disconnected, disassembled?
Replace the DRAIN
PUMP ASSEMBLY.
Is the coil of the drain pump too high or low? 
(resistance of the coil is 10-20  )
Replace the MAIN PWB
ASSEMBLY.
When checking voltage between connectors during
spin, is the voltage 220 V AC as in the figure? 
HEATING WITHOUT WATER
DRAIN MALFUNCTION
26
SB
SB
BL
YL
BL
BL
YL
WH
WH
WH
WH
WH
SB
RD
RD
BL
RD
YL
BK
BK
H
W
B
S
When checking the voltage between
connector during whites washing.
Is the voltage 220 V AC?
Push the THERMISTOR
tightly to the rubber.
When checking the THERMISTOR on the tub, 
is the THERMISTOR loose?
HEATING CONTINUOUSLY ABOVE 
THE SETTING WATER TEMPERATURE
WASH HEATER TROUBLE
27
WILL NOT CIRCULATE WATER
Is the impeller of the drain pump clogged?
Are the Hose Connector and/or Hose clogged?
Is the connector disconnected, disassembled?
Is the coil of the right side of drain pump open
or short circuited? (Coil R is 18-30 )
When checking voltage between the 
connectors during spin, is the voltage 220V
AC, as the figure?
Remove foreign material.
Remove foreign material.
Reconnect or repair 
the connector.
Replace PUMP MOTOR
ASSEMBLY.
Replace the MAIN PWB
ASSEMBLY.
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