C-2 Error Codes
PROBABLE CAUSE:
• Carrier Axis Case - Bad sensor. The X-axis movement is limited
so that the optical sensor cannot be interrupted.
• Filter Wheel Case - Bad sensor. The filter wheel movement is
limited so that the sensor cannot be interrupted. Or, the filter
wheel is not installed.
iii NOTE : In cases where a sensor is not functioning, the motor will drive
the axis to its mechanical stop and generate substantial noise.
Displayed Error Potential Cause
ERROR 0300 Carrier failed to find light beam
ERROR 0301 Filter wheel did not find home
Errors 300 and 301 indicate that a particular axis has moved to a point
where the light beam from the optics is no longer detectable by the
measurement electronics. This error is usually only seen during the Auto
Cal sequence.
PROBABLE CAUSE:
• Carrier - A loose belt, loose motor pulley or bad motor drive may
causes the carrier to ignore movement instructions.
• Filter Wheel Motor - The filter wheel drive gear is loose or
motor drive failure is impeding filter wheel movement.
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