LG LDF5545ST Service Manual page 29

EXCESS ERROR
displayed
Condition
Excessive water
is suppliedthan
normal waterlevel.
(Automatically
drainPump operated.)
THERMAL ERROR
displayed
Condition
The resistance of
thermistornot normally
out put
HEATER ERROR
displayed
Condition
The water is not heated
orthe temperature in
the Tub is overheated to
over 194℉
MOTOR ERROR
displayed
Condition
The Motor is
workingabnormally
VARIO ERROR
displayed
Condition
The position of vario cam
isnot properly
1) The Inlet Valve is troubled.
2) The Controller is troubled.
3) After Replace the PCB, still same
Error cord is displaying.
1) Wiring connection is OK?
2) The Thermistor is OK?
1) Wiring connection is OK?
2) The Inlet Water Temperature is very
high.
3) The Thermistor is troubled.
4) Heater is OK?
5) The Controller is troubled
6) The Relay Circuit is OK?
1) Wiring connection is OK?
(Washing Motor and Controller)
2) The Impeller of Washing Pump is
locked.
3) Is the Washing Motor is OK?
4) The Controller is troubled.
1) Wiring connection is OK?
2) Does the vario S/W assembled
properly?
3) Is the vario motor operated
properly?(range is 12~15 )
For Authorized Service Technician
1) Replace the Inlet Valve.
2) Replace the Controller.
3) Replace the Hole Sensor.
1) Check and reconnect the wire.
2) Check the electric resistance of
Thermistor.
1) Check and reconnect the wire.
2) Check the temperature.
① If the temperature is displayed,
adjust the Inlet Water Temperature
to 120℉ .
3) Check the electric resistance of
Thermistor.
4) Check the electric resistance of
Heater.
5) Replace the Controller.
6) Replace the Relay Circuit.
1) Check and reconnect the wire.
2) Replace the Pump Casing assembly.
3) Check the electric resistance of
Washing Motor.
4) Replace the Controller.
1) Check and reconnect the wire.
2) Reassemble vario S/W.
3) Replace the vario motor.
- 29 -