The pump is making noise.

Possible cause of fault

Air in the pump


The pump is self-venting.

Note the pump's control setting on the display.

In order to vent the pump rapidly, set the pump to Speed Level III using button 5 and let it run for half an hour. Then use button 5 to return to the original control setting.

If this does not solve the problem, please call your professional installer.

Possible cause of fault

Inlet pressure too low


These faults can only be remedied by a specialist company.

Call your professional installer.

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