Maintenance
ABL1500WB-B Hardware Manual
4.3. Troubleshooting
Symptom
Possible Cause and Solution
Stage will not move
l
Shipping restraints still installed. Remove the red anodized shipping
brackets.
l
In Limit condition. Check limits (refer to
) and refer to the
Controller documentation for polarity and compatibility requirements
(Example: voltage requirements).
l
Controller trap or fault (refer to the Controller documentation).
l
Emergency stop fault. The system is configured to operate with an air
pressure safety switch, and either the air pressure is too low or the switch is
not present. Check the air supply and the switch. Air pressure switches are
typically configured to trip if the supply pressure to the bearing drops below
40 psi.
Stage moves
uncontrollably
l
Encoder (sine and cosine) signal connections (refer to
and
Controller documentation).
l
Motor Connections (refer to
and the Controller documentation).
Stage oscillates or
squeals
l
Gains misadjusted (refer to the Controller documentation).
l
Encoder signals (refer to the Controller documentation).
44
Chapter 4
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