IFM efector160 LR2750, Operating Instructions Manual

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12.2 Reading the set parameters
► Briefly press [Enter] to open the menu
► [▲] or [▼] scrolls through the parameters.
► Briefly press [Enter] to indicate the corresponding parameter value for about
30 s. Then the unit returns to the operating mode.
12.3 Change the display unit in the operating mode
(= switching between length indication (mm / inch) and percentage).
► Briefly press [▲] or [▼] in the operating mode.
> The selected unit is displayed for 30 s, the corresponding LED is lit. With each
push of the button the display type is changed.
12.4 Fault indications
Possible cause Recommended measures
[Err] Fault in the electronics. Replace the unit.
[nPrb]
Probe detached from the unit;
possibly incorrect setting of the
probe length.
Check whether the probe is still
attached to the unit. Check the
parameter [LEnG].
[SEnS]
Measurement disturbed by foam
formation or strong turbulence.
• Install the unit in a still pipe or
bypass (→ 7.1) .
• Set or increment [dFo] (→ 11.4.11) .
Measurement disturbed by
separation layers (e.g. oil layer
on water).
Remove the oil layer by suction, stir
the medium, verify the composition.
Rod or process connection
soiled.
Clean the rod and the process
connection.
Installation conditions were not
adhered to.
Observe the notes in "Installation"
(→ 7) . Carry out tank adjustment if
necessary (→ 7.1.2) .
Probe length or sensitivity
(setting to the medium) is
incorrect.
Correct the settings (→ 11.6) then
carry out tank adjustment if necessary
(→ 7.1.2) .
[FAIL]
Tank adjustment failed. Rod
length too short, adjustment not
possible (→ 7.1.2) .
Repeat adjustment; if necessary,
check installation conditions.
[SCx] + LED 8
[SCx] + LED 9
Flashing: Short circuit in
switching output OUT1 or OUT2. Remove the short circuit.