Read LG WM2701HV Service Manual online
30
PRESSURE SENSOR ERROR
Is displayed?
Yes
Is the connector connected
to pressure sensor
disconnected or
disassembled?
to pressure sensor
disconnected or
disassembled?
Reconnect or
repair
the connector
repair
the connector
No
No
Yes
Is the resistance of the
pressure sensor out of
range?
(pin 1~ pin 3)
(21~23 Ω ±10%)
pressure sensor out of
range?
(pin 1~ pin 3)
(21~23 Ω ±10%)
Replace the
pressure
switch
pressure
switch
No
Yes
Is the AIR CHAMBER and
the tube clogged?
the tube clogged?
Replace the MAIN PWB
assembly.
assembly.
Fix the air
chamber
and remove
the foreign
material.
chamber
and remove
the foreign
material.
Yes
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