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Vacuum pressure too low on 4000 Series APS

Summary

Weak vacuum at the nozzle prevents location teach.

Details

The vacuum values on the I/O and Sensors Diagnostic dialog are a function of the vacuum transducer. If the vacuum is weak, the transducer will not change much, and these values will change little as well.

What is the reading on the vacuum gauge on the pneumatics panel? Less than 20 in/Hg is sign a problem. It could be a leak in the vacuum lines, a defective vacuum generator or vacuum valve. If the vacuum generator is good, go up to the head and pull the vacuum hose off the curved metal tube on the Z rod, and check the vacuum at the hose. If the vacuum is strong there, but weak at the nozzle, then the leak is inside the Z rod, probably the V-rings. If the vacuum is weak, the problem could be the in-line vacuum filter or the vacuum valve. Finally, there could be a split or cracked hose in the e-chain. 

bpm micro 4000 series vacuum faults    bpm micro 4000 series vacuum transducer     bpm micro 4000 series vacuum leaks     bpm micro 4000 series vacuum system

Author
Adaptsys Web Support
Date Created
2012-10-19 16:33:54
Date Updated
2013-07-25 06:39:59
Views
22782
Code
4XVACPRESLOW