Ametek VERSITRON BT130S - Troubleshooting Checklist

70 Versitron Operation Manual
8.5 Troubleshooting Checklist
Symptom Problem Check/Remedy
Low readings on test
block
Bad test Block. Try a different test block.
Bad Indenter. Substitute new Indenter or switch from diamond indenter to ball
or vice versa and check calibration on appropriate test block.
Loose Indenter or Shroud. Check for finger tightness (see Section 5.6)
Inaccurate test load. Check for proper load selection.
Test positions too close to
edge or to each other.
Make test more than 3 impression diameters apart or from the
edge.
Specimen dirty or
deformation on Indenter
seat or Indenter Shroud
seat.
Remove Indenter and Shroud and clean contact areas at both
ends or substitute a new component and clean.
High reading on part. Bad test block. Try a different test block.
Test indentations too
close together
.
Keep test indentations 2 ½ diameters apart.
Bad Indenter. Substitute Indenters or switch from ball to diamond and retest
on test block.
Time-at-load not long
enough (especially on
softer materials).
Set time-at-load for 6 seconds
Inaccurate test load. Check for proper load and selection.
No round correction
factor.
If testing on round specimens under 1 ½ “, (see Section 5.23 f).
Vee anvil misalignment. See Section 5.10
High reading on part.
Metal too soft to support
Indenter Shroud
(especially when testing
inside diameters).
Look at test impression to see if the Shroud makes foot print.
Test specimen does not
meet minimum thickness
requirements.
Test on test block (see Chart on Section 10.2).
Missing or sticking lower
probe.
Remove Indenter and check to see if probe drops down (se
Section 4.9).
Test specimen positioned
too far from the Indenter.
Raise specimen to within 1/16” of Indenter.