Trouble Shooting Methods; Trouble Shooting According To Displayed Error Message - LG LD2050WH Service Manual

8.TROUBLE SHOOTING METHODS

A. TROUBLE SHOOTING ACCORDING TO DISPLAYED ERROR MESSAGE
POSSIBLE CAUSE
ERROR MESSAGE
FOR ERROR OCCURRENCE
¥ The Water Tap is not opened.
INLET ERROR
¥ The Inlet Hose is kinked.
¥ The Filter of inlet valve clogged by
impure water.
displayed
¥ The Inlet Water Valve is normal ?
Condition ¥ The water pressure is very low.
( below 0.3 kgf/ )
Not reached to the nor-
mal water level in spite ¥ Inlet valve is blocked by safety
of 10 min. water supply device for leakage sensing.
¥ The Filter clogged.
DRAIN ERROR
¥ The Drain Hose kinked or blocked.
¥ The Drain Pump/Motor or circuit is
troubled.
displayed
Condition
Not fully drained out in
spite of 5 min. drain
operation
LEAKAGE ERROR
¥ Water leakage in Hose connections.
¥ Water is leaked by damages.
displayed
Condition
The water level in Tub
goes down during
operation
- 18 -
REMEDY
¥ Open the Water Tap.
¥ Repair the Inlet Hose.
¥ a) Close the Water Tap.
b) Unscrew the Inlet Hose (Inlet Valve side)
c) Clean the Filter of Inlet Valve.
¥ Replace or repair the Inlet Valve.
¥ Check the water remain on the base.
1) Check the point of damages and
repair or replace the related parts.
2) Disconnect the inlet hose to
dishwasher to unlock the safety valve.
¥ Clean the Filter.
¥ Remove the cause of kink or block.
¥ Replace the Drain Pump/Motor or
repair the Circuit.
¥ Replace the connections of Hose.
¥ Check the point of damages and
repair or replace the related parts.
POSSIBLE CAUSE
ERROR MESSAGE
FOR ERROR OCCURRENCE
EXCESS ERROR
¥ The machine is inclined.
displayed
¥ The Inlet Valve is troubled.
Condition
¥ The Air Tube is kinked or blocked.
Excessive water is sup-
¥ The Controller is troubled.
plied than normal water
level.(Automatically drain
Pump operated.)
THERMAL ERROR
¥ The Circuit of thermistor is troubled.
¥ Thermistor is troubled.
displayed
¥ The Controller is troubled.
Condition
The resistance of ther-
mistor not normally out
put.
HEATER ERROR
¥ The Circuit of Heater is troubled.
¥ The Thermistor is troubled.
¥ The Heater is shorted.
displayed
¥ The Relay Circuit is troubled.
Condition
The water is not heated
or the temperature in
the Tub is overheated
to over 95¡
- 19 -
REMEDY
¥ Level the machine using adjustable
legs.
¥ Replace the Inlet Valve.
¥ Remove the cause of kink or block.
¥ Repair or replace the Controller.
¥ Repair the Circuit of thermistor.
¥ Replace the Thermistor.
¥ Repair or replace the Controller.
¥ Repair the Circuit of Heater.
¥ Replace the Thermistor.
¥ Replace the Heater.
¥ Repair the Relay Circuit..