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Fit test
gauge to Air
pump
Enter Diagnostics
and activate
Exhaust valve
then air pump
Run pump for 60
seconds. Pressure
must reach between
30 - 40 Kpa.
Switch
Pump off
Pinch plumbing
above the exhaust
valve connection.
Pressure creases?
Pinch plumbing
above the test gauge
connection. Pressure
creases?
Replace
Exhaust
Valve
Check the lid
gasket and
joints for leaks
Replace air
pump
OK
Not OK
No
Yes
Leave for 2 min.
Is there a
pressure loss?
Check lid & tub for
correct alignment
and seal for correct
installation.
No
Yes
Tub Lid
Leak
No
Yes