Endress+Hauser Liquiphant FTL31 - 7.3 LED Functionality; 7.4 Function Test with Test Magnet

Liquiphant FTL31 Commissioning
Endress+Hauser 31
7.3 Function of LEDs
Connection
Operating modes
Maximum safety (MAX) Minimum safety (MIN) Warning Fault
gn
ye
gn
rd
1
2
3
rd
ye
gn
4
rd
ye
A0023003
A0023004
A0023005 A0023006
A0023007
A0023008
A0023009
1: Level display
2: M12 plug
3: Valve plug
4: Cable
not lit
lit
flashing
fault/warning
LED colors: gn = green, ye = yellow, rd = red
7.4 Function test with test magnet
L
WARNING
Danger of injury!
‣
Ensure that no dangerous processes are triggered in the system.
Carry out a function test while the device is in operation.
‣
Hold the test magnet for at least 2 s against the marking on the housing.
 This inverts the current switch status, and the yellow LED changes state. When the
magnet is removed, the switching status valid at that time is adopted.
If the test magnet is held against the marking for longer than 30 s, the red LED will flash: the
device returns automatically to the current switch status.
The test magnet is not included in the scope of delivery. It can optionally be ordered as
an accessory. See the "Accessories" -> "Additional accessories" section