Pe (Pressure Sensor S/W Error) - LG F1 U1 BS Series Service Manual

Pressure Sensor S/W Error (PE)
Is the Connector connected correctly to
the Main PCB and the Pressure Switch
Is the Harness alright ?
YES
Is the resistance of the Pressure Switch
out of range?
[Pin1 ~ Pin3]
21~23Ω )
NO
Is the air chamber and the tube clogged?
NO
Replace the Main PCB .
Reconnect or repair the
NO
?
Or replace the
YES Replace the
YES
Check air chamber and remove foreign material.
Connector .
Harness .
Pressure Switch .