Detection Scenarios Calibration motion completes but edge finding of one or
more edges does not occur.
Root Causes
1. Calibration sensor not functioning properly.
2. Calibration target not functioning properly.
3. Drive or Picker position is so far off nominal that search
pattern cannot locate target.
Possible CRU Replacements Drive Sled
Possible FRU Replacements
v Y Motor
v Y-axis Assembly
v Cable Spool
v Picker Assembly
v Enclosure
Resolution Before replacing a library component, refer to “Diagnosing
a Problem” on page 9-3 for additional diagnostic
procedures.
If the problem can not be resolved using the information in
this document, perform “DR021: Contact Service” on page
10-36
T020: Cannot calibrate storage, motion OK
Description System cannot successfully calibrate the position of a
storage magazine but the calibration search pattern
completes successfully.
Detection Scenarios Calibration motion completes but edge finding of one or
more edges does not occur.
Root Causes
1. Calibration sensor not functioning properly.
2. Calibration target not functioning properly.
3. Drive or Picker position is so far off nominal that search
pattern cannot locate target.
Possible FRU Replacements
v Fiducial Targets
v Y Motor
v Y-axis Assembly
v Cable Spool
v Picker Assembly
v Enclosure
Resolution Before replacing a library component or contacting IBM
Technical Support, refer to “Diagnosing a Problem” on
page 9-3 for additional diagnostic procedures.
If the problem can not be resolved using the information in
this document, perform “DR021: Contact Service” on page
10-36
Chapter 10. Service Action Tickets (Txxx) and Diagnostic Resolutions (DRxxx) 10-11
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