Operation
Operating Manual PSEN opII3H Series
1003503-EN-08
| 48
Meaning
Green Red
Green Green Green
Stray light fault
OSSDs have changed to the OFF
state due to the presence of stray
light.
1. Use the beam coding of the
safety light curtain.
2. Install an opaque surface on
the side facing the stray light
source or
reverse the positions of the
safety light curtain’s transmitter
and receiver.
3. Restart [ 49] the safety
light curtain.
Red
Red
Green
Overtemperature; OSSD in the
OFF state
1. Ensure that the ambient tem-
perature corresponds to the in-
formation in the Technical
details [ 55].
2. Restart [ 49] the safety
light curtain.
Red
Red
Green
Undervoltage; OSSD in the OFF
state
1. Ensure that the supply voltage
corresponds to the information
in the Technical
details [ 55].
2. Restart [ 49] the safety
light curtain.
Indicators on the transmitter
Meaning
green red green green
Safety light curtain is started
green green
Safety light curtain in operation
Transmitter sends uncoded
green
green
green
Safety light curtain in operation
Transmitter sends A-coded
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