If there is no beam, check:

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(1) Are the shutters open?

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(2) Is there SPEAR current?

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(3) Check beam tuning

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In microXAS GUI, select "Scan Motor"

As your detector, select "I0"

As your motor, select "TUNE"

Enter scan range (relative): -1 to 1

Enter step size: 0.1

Hit "Scan"

Select the maximum using the cursor, and then hit "Move"

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(4) Make sure the THOR (i.e. horizontal table) motor is in the correct position? i.e., Do a THOR scan

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In microXAS GUI, select "Scan Motor"

As your detector, select "I0"

As your motor, select "THOR"

Enter scan range (relative): -1 to 1

Enter step size: 0.1

Hit "Scan"

Select the maximum using the cursor, and then hit "Move"