Pressure Sensor Error - LG WM3988H*A 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 PWB
assembly.
Reconnect or
repair
Yes
the connector
Replace the
Yes
pressure
switch
Fix the air
chamber
Yes
and remove
the foreign
material.
30