T136: Robotics Z Axis Motion Failure
Description GUI Description: An unrecoverable robot motion failure has occurred in the
z-axis.
Explanation: An unrecoverable motion failure occurred in the z-axis. Because
a tape cartridge may or may not be present in the picker, tape recovery must
be part of the resolution strategy.
Detection Scenarios A specified motion in the z-axis cannot complete.
Root Cause
1. Any of a large number of electrical hardware failures. Code or hardware
detects that motion control is not occurring properly (encoder issues,
motor driving circuit issues, motor winding issues, cable connections
issues, etc.).
2. A relatively small number of hardware errors that do not result in
complete obstruction but where servo control does not appear to be
normal.
Possible FRU Replacement
v Picker Assembly
Resolution Perform “DR102: Resolve Robotics Z Axis Motion Failure” on page 6-90.
T137: Display Assembly Communication Failure
Description GUI Description: A local display assembly communication failure has been
detected.
Explanation: The library encountered an error which appears to be caused by
a communication link failure to the display assembly (DIEB) board.
Detection Scenarios
1. Failed I2C communication with the DIEB board.
2. Failed GPIO communication with the DIEB board.
Root Cause
1. Board level hardware failures.
2. Display not plugged in.
3. Cable failure or not plugged in.
4. LCB failure.
5. Rare power supply problem where too much voltage is transferred to the
display.
Possible CRUs
v LCB
v Display/Door and I/E PCB
Possible FRU Replacement
v Module (EM or CM)
v Display (Operator Panel)
Resolution Perform “DR103: Resolve Display Assembly Communication Failure” on
page 6-91.
Chapter 6. Service Action Tickets (Txxx) and Diagnostic Resolutions (DRxxx) 6-55
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