LSC20
Trouble shooting
11 Trouble shooting
Error message: Limits Calibration Error:
• Check that you allocated the end marks correctly (left end mark must
• Check that you applied the end marks correctly onto the tape (right
The Sensor LED indicator won't turn on.
• Make sure that the 15-pin D-sub connector is fully seated and con-
• Confirm that +5 Volts DC is being applied to the Sensor. Refer to the
Can't get the SIKO electronics' "Signal" better than red or yellow; or the
green, " Proper Alignment" indicator doesn't stay illuminated over the full
length of the scale.
• Verify that the sensor is mounted in the correct orientation with ref-
• Verify that the sensor has been aligned to the scale and that the
• Check that the scale is firmly mounted and can't jiggle or move in any
• Make sure that the scale is clean over its entire length or circumfer-
Both of the LED´s blink red at the diagnostic Tool DT20. The limit marker
wasn´t recognized properly.
• Separate the USB-cord for 3s from DT20 and restart the alignment and
• The optical scanning is located below the notch (see
LSC20 · Date 08.07.2014 · Art. No. 87296 · Mod. status 012/14
be calibrated with Left Limit; right end mark with Right Limit.
end mark: glossy, left end mark: matt.
nected.
drawing for proper pinouts.
erence to the scale and scale mounting reference edge. Refer to the
Interface Drawing.
mounting screws are tight. Check the dimensions for the mechani-
cal mounting holes (and clamps if any) to make sure that the sensor is
correctly located over the scale in the Y and Z dimensions. Refer to the
Interface Drawing.
direction.
ence.
the calibration.
sor.
English
45
Fig.
9) of the sen-