LG WT901CW - Page 37

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8) Water drains though it is not the time of drain.
Where, what, and how to check? Result of Check Possible Cause How to repair and settle
Drain Motor
(for Non-Pump Model only)
1. Check whether the drain motor is
normally returned after turning
power off.
(It is considered normal if the lever
of the drain motor is fully pulled out
by the P.V. spring.)
Controller
1. Check whether the drain motor or
the drain pump works immediately
after power is turned on.
Blocked.
Works.
Defect of the drain
motor.
Defect of the
controller (Triac
defect.)
Change the drain motor.
Change the controller.
9) Drain error happens while water drains normally.
Result of Check Possible Cause How to repair and settle
Pressure Sensor
(Pressure Switch)
1. Check generation frequency
of the pressure sensor
(pressure switch) without water.
Less than
26.3 kHz
26.3-27.1 kHz
Defect of the
pressure
sensor (pressure
switch.)
Defect of the
controller.
Change the
pressure sensor
(pressure switch.)
Change the controller.
Where, what, and how to check?