Omron fh series - Alert Symbol Meanings; Caution Precautions

15
Please take external safety measures so that the system as a whole
should be on the safe side even if a failure of a Sensor Controller or
an error due to an external factor occurred. An abnormal operation
may result in serious accident.
Please take fail-safe measures on your side in preparation for an
abnormal signal due to signal conductor disconnection and/or
momentary power interruption. An abnormal operation may result
in a serious accident.
CAUTION
Danger of burns. Do not touch the case while the LED is ON or just
after power is turned OFF, since it remains extremely hot.