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FWL SENSOR ERROR
Is
displayed?
Yes
Is the connector connected
to FWL sensor disconnected
or disassembled?
No
Is the voltage of the FWL
sensor 5VDC?
No
Is the air chamber and the
tube clogged?
No
Replace the PCB
Reconnect
Y
es
or repair the
connector
Replace the
Yes
FWL sensor
Fix the air
chamber
Yes
and remove
the foreign
material
2
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