P3 – Faulty Main PCB Air Switches
There are no serviceable parts on the Main PCB. These air switches
are not serviceable and the whole board must be replaced if they fail. As
this is part of the pneumatic system, it is important that all connections
are airtight.
1. If there are no leaks in the hand control, airline tubing and grommets, there could be a
leak in air tubes to the pressure switch or failure of air switch. Check by performing the
air leak test with the hand control buttons.
2. If there is an air leak, tighten all air tubes and recheck.
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