General Errors | 57
General Errors
A lowercase letter in the code indicates a variable numeral.
Code Description and Probable Causes
*0210
*02x1
The x-axis home opto sensor failed to change as
expected.
A y-axis opto sensor failed to change as expected.
x = 1 for the home sensor.
x = 2 for the test sensor.
Possible causes:
• Dirty axis rail where the bearings are worn and cause
too much friction.
• Defective or broken optical sensors or connection.
• Defective motor, motor controller, or connection.
• Broken or untensioned drive belt.
• Obstruction in read chamber.
• Check that the shipping screw has been removed.
Note: In cases where a sensor is not functioning, the motor
may drive the axis to its mechanical stop and generate
substantial noise but will not cause permanent damage.
*0212
The order sorting filter wheel’s home opto sensor failed
to change as expected.
Probable causes:
• Filter wheel is loose.
• Filter wheel gearing is worn or dirty.
• Defective or broken optical sensor or connection.
• Defective motor, motor controller PCB, or cable.
0233
Monochromator not able to locate home.
Probable causes:
• Misaligned flash lamp
• Disconnected photodiode cable
Epoch Operator’s Manual
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