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OK
Switch
Pump off
Leave for 2 min.
Is there a
pressure loss?
No
Check lid & tub for
correct alignment
and seal for correct
installation.
Check the lid
gasket and
joints for leaks
Tub Lid
Leak
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.
Yes
above the test gauge
Yes
connection. Pressure
- 32 -
Not OK
Pinch plumbing
above the exhaust
valve connection.
Pressure creases?
No
Pinch plumbing
creases?
No
Replace air
pump
Yes
Replace
Exhaust
Valve
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