32
PRESSURE SENSOR ERROR
Is displayed?
Yes
Check the connectors at the
main PCB and the pressure
switch. Are the connectors
loose or disconnected?
Reconnect or
repair
the connector
No
Yes
Yes
Measure the resistance
between pins 1 and 3 of the
pressure switch. Is the
resistance between 21Ω
and 23Ω ?
Replace the
pressure
switch
No
No
Is the AIR CHAMBER and
the tube clogged?
Replace the MAIN PWB
assembly.
Fix the air
chamber
and remove
the foreign
material.
Yes
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