Pilz PSEN op4B-S-3-080 - Manual (Page 52)

PSEN op4B Series Operating Manual
48
7.2 Error messages and diagnostics
The LEDs that display the function can also be used by operators to
evaluate the main causes of an error.
RECEIVER:
Defect Cause Checks and remedy
Malfunction of the
outputs - Check the output connections.
- Check that the load is compatible
with the specifications given in the
TECHNICAL DETAILS table (Ch.
9).
Malfunction of the
external control unit
(function of the
feedback loop
monitoring test) - Check the feedback loop
monitoring connections
- Check the compatibility of the
external unit and the test times for
feedback loop monitoring
- Switch the unit off and then on
again; if the problem persists,
change the external unit.
Malfunction of the
microprocessor - Check the correct position of the
DIP switches.
- Switch the device off and then on
again; if the problem persists,
contact PILZ.
Override function can
be called up
- The display is indicating that there
is no defect
- Activate the override function in
order to remove the material from
the area of the protected field.
Irregular override
function - Check the contacts for the
override function. If the fault
persists, contact Pilz.
Optical fault - Check the alignment of emitter
and receiver
- Switch the device off and then on
again; if the fault persists, contact
PILZ.
Flashing red
Flashing yellow
Flashing yellow
Constant green
Flashing red
Off
Flashing yellow
Constant green
Off
Flashing yellow
Flashing yellow
Constant green
Constant red
Flashing yellow
Off
Constant green
Constant red
Flashing yellow
Flashing yellow
Constant green
Off
Off
Flashing yellow
Constant green