165
E31
E31: Pressure sensor fault
E31
Pressure sensor defective, wiring or Main Control Board defective.
Checks to perform:
WARNING
Check that all the connectors are correctly inserted
Is the air tube connected properly (check also for kinking
and leaking)? (Disconnect the tubes and blow into them to
make sure the system is unobstructed) (See Fig. 1)
Replace or Repair the air tube and repeat the Diagnostic
Cycle to check for any further alarms.
Is the frequency of Pressure Sensor between 45 Hz to 45.5
Hz? (Measure it on the pressure sensor wiring connector at
Main Control Board when machine is powered with empty
tub (No water)) (See Fig.2)
Replace Pressure Sensor and repeat the Diagnostic
Cycle to check for any further alarms.
Replace the Main Control Board and repeat the Diagnostic
Cycle to check for any further alarms.
NO
NO
Y
E
S
Y
E
S
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