Read LG F1407TDPB / F1407TDPU Service Manual online
23
WA S H HE A T E R T R OUB L E
When checking the voltage between
connector during whites washing. is
the voltage 220-240V~?
connector during whites washing. is
the voltage 220-240V~?
After power off, is the resistance of
wire (BN-BL) connectores between
10
wire (BN-BL) connectores between
10
~ 30 ?
After power off and the heater terminal
is disconnected, is the resistance
10
is disconnected, is the resistance
10
~ 30 ?
Replace the MAIN
PWB ASSEMBLY.
PWB ASSEMBLY.
Normal
Replace the
HEATER ASSEMBLY.
HEATER ASSEMBLY.
Y E S
NO
NO
Y E S
NO
HE AT ING C ONT INUOUS LY A B OV E
T HE S E T T ING WA T E R T E MP E R A T UR E
When pressing Temp.
button simultaneously during, is the
displayed temperature is over 10
higher than the selected temperature?
(Refer to the 7-2 Q
button simultaneously during, is the
displayed temperature is over 10
higher than the selected temperature?
(Refer to the 7-2 Q
C Test Mode)
Is the resistance between Thermistor
Comectors 2.5k
Comectors 2.5k
~180k ?
Check if inlet hose is
connected to a hot
faucet ; otherwise,
replace PWB
ASSEMBLY (Main).
connected to a hot
faucet ; otherwise,
replace PWB
ASSEMBLY (Main).
Replace
Heater Assembly.
Heater Assembly.
Y E S
NO
NO
AC 220V~240V
1 2
BROWN
BLUE
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