Commissioning Liquiphant FTL31
30 Endress+Hauser
Function Description
LED red (rd)
Flashing
Warning/maintenance required: error can be rectified, e.g. incorrect wiring; protective function if
test magnet is held against the sensor for longer than 30 s
LED red (rd)
Lit
Fault/device failure: error cannot be rectified, e.g. electronic error
On the metal housing cover (IP69), there is no external signaling via LEDs.
ye 1
ye 2
gn
27.5
(1.08)
40
(1.57)
³
A0020871
Description of M12 plug with LED display (optional)
• LED gn: is lit when the supply voltage is applied
• LED ye 1: is lit when the sensor is covered
• LED ye 2: is lit when the sensor is not covered
The connecting cable with an M12 plug and LED display can be optionally ordered as an
accessory. See the "Accessories" section
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