EDH0162En1040 – 06/99
8.28
MM4005
Appendix E — Troubleshooting Guide
Problem
Cause
Corrective Action
Faultry origin or
index signals
Carefully observe and record the
motion sequence by watching the
manual knob rotation, if avail-
able. With the information col-
lected, call Newport for
assistance.
Home search not
completed
Time-out too
short
Verify the home search time-out
is set correctly. If the home
search velocity was changed, the
time-out must be increased.
Move command
not executed
Software travel
limit
The software travel limit in the
specified direction was reached.
If limits are set correctly, do not
try to move past them.
Incorrect para-
meters
Verify that all relevant parame-
ters (PID, velocity, etc.) are set
properly.
Motor excessively
hot
Incorrect con-
nection
Verify that the motion device is
connected to the correct driver
card, as specified by the labels.
System perfor-
mance below
expectations
Incorrect con-
nection
Verify that the motion device is
connected to the correct driver
card, as specified by the labels.
Incorrect para-
meters
Verify that all relevant parame-
ters (PID, velocity, etc.) are set
properly.
The axis does not
move
Incorrect con-
nection
Verify that the motion device is
connected to the correct driver
card, as specified by the labels.
Incorrect para-
meters
Verify that all relevant parame-
ters (PID, velocity, etc.) are set
properly.
The MOTOR
green LED does not
stay on
ON
Limit switch
tripped
Execute a home search routine
or move the axis in manual mode
(jog). Make sure that the limit
switch was not tripped by a seri-
ous problem.
Executive fol-
lowing error
Verify that teh motion device
installed is connected to the
proper driver card.
Verify that all setup parameters
correspond to the actual motion
device installed.
Verify that the load specifica-
tions for the motion device are
not being exceeded.
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