Pressure Sensor Error - LG WT4801CW Service Manual

PRESSURE SENSOR ERROR

Is displayed?
Yes
Is the connector connected to
pressure sensor disconnected
or disassembled?
No
Is the resistance of the
pressure sensor out of range?
(pin 1~ pin 3)
(21~23 Ω ±10%)
No
Is the AIR CHAMBER and the
tube clogged?
No
Replace the MAIN PCB
assembly
Reconnect or
Yes
repair
the connector
Replace the
Yes
pressure switch
Yes Fix the air chamber
and remove
the foreign material
32