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Shift Instruction for Silicon Tracker updated by André Schöning on February 28th, 2000

Shift Instruction for Silicon Tracker

To include the Silicon into the Readout:

• Make sure the Silicon Tracker panel on the Supervisor is set to Standard.
• Include the Silicon Branch (branch 12).
• Start the run.
• If this fails, make a Warmstart.
• Start the run.
• If this fails twice, follow procedure B (s. below).

Troubleshooting during data taking:

Error Message

No Run Prepare Acknowledge

Timeout (L3Keep)

Timeout (FER)

Timeout on last event

(Other yellow Message)

Recovery Procedure:

• Restart run.
• If this fails, follow procedure A

Procedure A:

• Exclude Silicon Branch 12 from the readout.
• Start the run.
• If the run is started proceed to procedure B.
• If this fails, look for different subsystem.
• Include Silicon Branch 12 in the readout again.

Procedure B:

• Turn off CST
• Include Silicon Branch 12 in readout (if not already done)
• Make sure that the run is stopped.
• Find the Silicon Tracker reset panel in room 301, rack A1. (opposite the System Supervisor)
• Push following buttons in the top row from left to right.
  • OnSiRoC CST (CST has to be switched off)
  • OnSiRoC BST
  • PPC CST/VLQ
  • PPC BST
  • FIC Abort + FIC Reset
• Push the Master Reset at the bottom left.
• Make a Warmstart of the VLQ Tracker at the VLQ Slow Control Mac in room 307 (B21 left).
  Wait for message Warmstart succesful.
• Make TWO CDAQ Warmstarts.
• Restart the run. Turn on CST and check L4 histograms.
• If the restart fails three times, exclude Silicon Branch 12 from readout and
  $\color{red}->$ call Silicon Expert.