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12
Troubleshooting
The positioner does not move
Cable not connected correctly
►
Check the cable connections.
Unsuitable positioner cable used.
Interference with the signal transmission be-
tween the positioner and E-871.1A1N can oc-
cur when an unsuitable cable is used.
►
Only use genuine PI parts when connecting the
positioner to the E-871.1A1N.
►
If you need extension cables, contact our
tomer service department (p. 217)
Positioner was connected to the switched-on
E-871.1A1N
The sensor electronics in the positioner was
not initialized and the sensor's ID chip was
not read out.
►
Switch the E-871.1A1N off and on again, or re-
boot the E-871.1A1N with the
RBT
command or
with the corresponding functions of the PC soft‐
ware.
Limit switch signal logic wrongly set
In order for the positioner to be able to
move, the settings of the E-871.1A1N must
correspond to the limit switch logic level of
the positioner.
►
Adjust the Limit Mode parameter (0x18) accord-
ingly.
Limit switch signals not compatible with the
E-871.1A1N
It is possible that positioners from third-par-
ty suppliers use unsuitable limit switch sig-
nals.
►
Contact the customer service department or the
manufacturer of the positioner.
Incorrect configuration
►
Check the parameter settings of the E-871.1A1N
with the
SPA?
(volatile memory) and
SEP?
(nonvolatile memory) commands and make the
necessary corrections.
Incorrect command or incorrect syntax
►
Send the
ERR?
command and check the error
code that is returned.
Incorrect axis or channel commanded
►
Make sure that the correct axis or channel iden-
tifier is used and that the positioner is connected
correctly.
HID control active
motion commands are not permitted when
HID control is activated for the axis or the
channel.
►
Deactivate HID control.
Positioner performs unintentional motion
Control device is not connected, but HID con-
trol is activated in the E-871.1A1N
►
Activate HID control only when a control device
is actually connected to the E-871.1A1N.
HID axis is not calibrated
►
Calibrate the axis of the control device.
Startup macro is run
►
Check whether a macro is specified as the start-
up macro and cancel the selection of the startup
macro if necessary.
Stage is oscillating or positions inaccurately
The load was changed
►
Reset the
and the
according to the change
of load.
Stage is oscillating already during the reference move
12 TROUBLESHOOTING
PZ285EN
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1/30/2019
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M O T I O N | P O S I T I O N I N G