Calibration - Micromeritics DVVA II 4000 Operator's Manual

Appendix A
6021 The Zero Height calibration failed. Please check that the chamber is empty, and the
piston tip is clean and undamaged and repeat the calibration.
Cause:
Action:
Cause:
Action:
6022- Analysis cancelled. The instrument zero height is out of specification. Please
check that the sample tray is in place, the chamber is empty, and the piston tips
are clean and undamaged.
Cause A:
Action A:
Cause B:
Action B:
Cause C:
Action C:
A-18
The upper piston tip is damaged.
Replace the upper piston tip, then repeat the calibration.
The upper piston tip contains sample or debris.
Select Unit > Clean System to clean the system, then repeat the cali-
bration.
The chamber was not empty for the blank analysis.
Repeat the analysis starting with a clean, empty chamber. Do not load
sample until prompted to do so.
A piston tip is damaged or very dirty.
Clean or replace the piston tip.
Your instrument may need servicing.
Contact your service representative.
DVVA II 4000
400-42803-01 (Rev B) - July 2017