Root Causes
1. The Library Control Blade has been swapped between libraries.
2. WWNN label is damaged.
3. Bar code scanner is not working properly.
4. Entire communication path to bar code scanner is not working properly.
5. Library module is replaced.
Possible CRU Replacements Library Control Blade
Possible FRU Replacements
v Picker
v Internal Cables and Boards Kit
Resolution Perform “DR007: Resolve Barcode Scanner Issue” on page 6-63.
T064: LCB Hardware Failure
Description GUI Description: The library controller board experienced a hardware failure.
Explanation: The library encounters an error which appears to be isolated to
hardware on the Library Control Blade itself.
Detection Scenarios: Code detects a board level voltage problem.
Root Causes: Board level voltage problems.
Possible CRU Replacements:
1. Library Control Blade
2. Display/Door and I/E PCB (DIEB)
Resolution
v Observe library component LEDs (refer to “Interpreting LEDs” on page
7-16.
v Refer to instructions to remove and replace the Library Control Blade (see
“Library Control Blade or Compact Flash Card” on page 8-45).
T065: Robot Over - Current Condition
Description GUI Description: Robot power is interrupted due to an over-current
condition.
Explanation: The library detects that the 42 V picker supply circuit on the
LCB is not at an acceptable voltage. Field data indicates that this is most
likely an issue with the LCB rather than a picker assembly issue.
Detection Scenarios Monitoring of voltage divider indicates partial or complete voltage drop
Root Causes
1. The 48 V to 42 V conversion power supply on the LCB has shut down
due to excessive current draw.
2. Board level hardware failures
3. Permanent or temporary short in cables, connectors, Picker
4. Various hardware failures in Picker that cause too much current to be
drawn.
5. Shorted module terminators or module-to-module cable pins.
Possible CRU Replacements
v Y- Carriage Assembly
v Library Control Board
Possible FRU Replacements Picker
Resolution Perform “DR035: Resolve Robot Power Interruption” on page 6-74
Chapter 6. Service Action Tickets (Txxx) and Diagnostic Resolutions (DRxxx) 6-29
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