LG WM3988H*A Service Manual page 32

DRY HEATING ERROR
Is displayed?
Yes
Is the connector connected
to thermistor disconnected
or disassembled?
No
Is thermistor resistance out
of range?
°C
(about 39.5 kΩ ⁄ at 30 )
(Refer to 9-7 thermistor
assembly)
No
Check the trans of water
infiltration into thermistor
terminal.
- Does the water infiltrate
thermistor terminal?
No
Is the connector connected to
FAN MOTOR disconnected or
disassembled?
No
Reconnect or
Yes
repair the
connector
Replace the
Yes
THERMISTOR
ASSEMBLY
Replace the
Yes
THERMISTOR
ASSEMBLY
Reconnect or
Yes
repair the
connector.
31
Is the resistance values in
the range of 2 to 5 Ω?
(pin1-pin3, pin2-pin3)
- After pull out the YL1
connector, check the
terminal of the connector in
wire.(Yellow 3P, male)
Yes
Is the voltage of the Fan motor
connector 20~30 V DC?
(Check the all terminal of
FAN MOTOR Assembly
while the machine is dry
course.)
In case of measuring by
multimeter (multitester)
: 0~20V
Yes
Is the connector connected
to heater disconnected or
disassembled?
No
Replace the
No
FAN Motor
Assembly
Replace the
No
MAIN PWB
assembly
Reconnect or
Yes
repair the
connector
Continued next page