PI H-811, Руководство пользователя

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8 Troubleshooting
H-811 Hexapod Microrobot MS235E Version: 2.4.0 49
Problem Possible causes Solution
Unexpected
hexapod behavior.

Defective cable

Bent pin
 Connector or
soldered joints
loosened

Check the data transmission
and power supply cables.

Replace the cables by cables of
the same type and test the
function of the hexapod.

Contact our customer service
department (p. 55).
The hexapod does
not achieve the
specified
repeatability.

Motion platform is
warped
 Cover plate is warped

Mount the hexapod onto a flat
surface (p. 27).

Only mount loads with a flat
footprint surface.
The recommended
flatness of the surface
is 20 µm.

Poor lubrication
because of small
movements over a
long period of time.

Do a maintenance run over the
entire travel range (p. 43).

External disturbances 
Make sure that no vibrations
are not transmitted to the
system.

Make sure that forces, e.g., also
through dragged cables, do not
affect the movement of the
cover plate.

Make sure that the system is in
a thermal equilibrium.
The travel accuracy
is bad.

Unsuitable control
parameters for the
application

The system behavior
has changed due to
an increasing ease of
operation.

Carry out a tuning of the
parameters.

Contact our customer service
department (p. 55).
8 Troubleshooting