Read LG WF-F734PC Service Manual online
48
4) Water doesn’t come into the wash bowl.
5) Water fills continuously or intermittently.
Where, what & how to check?
Result of Check Possible Cause
How to repair & settle
Wrong Installation/Leakage
1. Check whether the drain hose is
laying down on the floor.
(For pump model)
2. Check where water leaks.
Ball Pressure Sensor
1. Check the pulsator is rotating when
water fills continuously.
2. If there is no defect in the Ball
Pressure Sensor, check whether the
air hole of the outer tub is blocked.
Inlet Valve
1. Does water fills even though it is not
energized (power is off)?
Controller
1. Does water fill immediately after the
power switch turns on before pushing
the start/pause button.
Drain hose
laying down.
Water leaks
from a part.
It doesn’t
rotate.
Blocked.
Water fills.
Wrong installation.
Defect of the part.
Water pressure is
not sensed.
Air hole blocked.
Defect of the inlet
valve.
Short circuit of the
triac of the
controller.
The drain hose
should be hung on the
stand-pipe or the tub.
Change the part.
Change the part.
Repair it.
Check the tube of the
Ball Pressure Sensor, it
is bent
or blocked, repair that.
Repair the blocked hole.
Change the inlet valve.
Change the controller.
Where, what & how to check?
Result of Check Possible Cause
How to repair & settle
Ball Pressure Sensor
1. Is there PE error on the display
which means Ball Pressure Senosr
error
2. Check frequency of the Ball
Pressure Sensor without load if
wash is proceeding without filling.
Controller
1. Defect of controller is highly possible
if inlet valve and Ball Pressure
Sensor have no defects in the
above.
Reconnect the connector
or change leads. Change
the Ball Pressure Sensor
if coil is open.
Change the pressure
Change the pressure
switch.
Change the controller.
PE Error
displayed.
Less then
26.2
Connector is taken
off, or lead or coil is
open.
Defect of the Ball
Pressure Sensor
Click on the first or last page to see other WF-F734PC service manuals if exist.