LG WD-S17DVD Service Manual ▷ View online
25
DRAIN MALFUNCTION
HEATING CONTINUOUSLY ABOVE
THE SETTING WATER TEMPERATURE
When checking the voltage between
connector during whites washing.
Is the voltage 220-240V AC?
connector during whites washing.
Is the voltage 220-240V AC?
After power off, is the resistance of wire
(RED-YELLOW) connectors between
10Ω -30Ω?
(RED-YELLOW) connectors between
10Ω -30Ω?
After power off and the heater terminal is
disconnected, is the resistance 10-30 Ω?
disconnected, is the resistance 10-30 Ω?
When pressing Temp. button is the displayed
temperature over 10
temperature over 10
℃ higher than the
selected temperature?
Is the resistance between
① and ②
of Connector (1) 2.5-180
㏀?
When checking the THERMISTOR on the tub,
is the THERMISTOR loose?
is the THERMISTOR loose?
Replace the MAIN
PWB ASSEMBLY
PWB ASSEMBLY
Normal
Replace the
PWB HARNESS.
PWB HARNESS.
Check if inlet hose is
connected to a hot
faucet; otherwise,
replace MAIN PWB
ASSEMBLY.
connected to a hot
faucet; otherwise,
replace MAIN PWB
ASSEMBLY.
Check electrical connection.
Replace THERMISTOR.
Replace THERMISTOR.
Push the THERMISTOR
tightly to the rubber.
tightly to the rubber.
26
WILL NOT CIRCULATE WATER
Is the impeller of the drain pump clogged?
Remove foreign material.
Remove foreign material.
Reconnect or repair
the connector.
the connector.
Replace PUMP MOTOR
ASSEMBLY.
ASSEMBLY.
Replace the MAIN PWB
ASSEMBLY.
ASSEMBLY.
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 Ω)
or short circuited? (Coil R is 18-30 Ω)
When checking voltage between the
connectors during spin, is the voltage 220-240V
AC, as the figure?
connectors during spin, is the voltage 220-240V
AC, as the figure?
[dHE] ERROR DISPLAY
CHECK FOR DRY HEATER TROUBLE
CHECK FOR DRY FAN HEATER TROUBLE
27
Is the resistance of 1 thermistors on
dry duct 2.5kΩ ~ 180kΩ (at 105
dry duct 2.5kΩ ~ 180kΩ (at 105
℃ ~ 0℃)
Replace the thermistor.
Clean the bellows
Disassemble the cabinet cover and
condensing bellows.
Is there any foreign object in condensing
bellows.
condensing bellows.
Is there any foreign object in condensing
bellows.
Disassemble the dry fan assy and dry duct
upper, and clean foreign object in duct and
fan.
upper, and clean foreign object in duct and
fan.
28
DRY HEATER TROUBLE
Are receptacles correctly connected to
the terminals of the DRY DUCT
ASSEMBLY?
the terminals of the DRY DUCT
ASSEMBLY?
After power off, is the resistance of
dry heater 10 ~ 40Ω?
dry heater 10 ~ 40Ω?
Reconnect the
receptacle
Replace the dry heater.
Replace the thermostat.
Replace the
PWB ASSEMBLY(Main)
PWB ASSEMBLY(Main)
When checking voltage between connectors
(
(
① , ② ) on drying, is the voltage
AC 220-240V as the figure?
(wire color :
(wire color :
① -YL , ② - BK)
Is thermostat closed?
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