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PIT es Set10u-5ns (AIDA) basic
Faults/interference
Failure of the LEDs at the E-STOP pushbutton
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When more than 1 red LED is defective, one of both safety contacts of the E-STOP
device will open.
Remedy: Replace the device.
Input voltage at channel 1 and channel 2 too low
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When the input voltage is too low, one of the two safety channels of the E-STOP device
will open.
Interruption GND
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When the connection to GND is interrupted, one of the two safety contacts of the E-STOP
device will open.
The operating statuses of the lighting are:
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– Permanent red illumination of the actuator
– Permanent yellow illumination of the bevelled protective collar
– Flashing yellow illumination of the bevelled protective collar after operating the E-
With all other statuses the wiring must be checked and the E-STOP device must be ex-
changed, if necessary.
Care and maintenance
During operation, the light sources lose brightness. The device is equipped with sufficient
brightness for a service life of 20 years. Check at regular intervals whether the lighting of
the E-STOP pushbutton is still clearly visible, however at least once per year as part of the
function test. Dust, soot and other deposits have an influence on brightness. If necessary,
the E-STOP pushbutton must be cleaned or the device must be exchanged.
Operating Manual PIT es Set10u-5ns (AIDA) basic
1004863-EN-03
STOP device
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