Installation And Set-Up / Operation - IFM Electronic LR7022 Bedienungsanleitung Und Sicherheitshinweise

Installation and set-up / Operation

After mounting, wiring and programming check whether the unit
operates correctly.
Operating and fault indication:
CAL
Initialisation after power on.
XX.X
Level indication.
During operation: level below the active zone.
During programming: Feedback during factory reset:
all parameters reset to factory setting".
FULL
Maximum measuring range is reached or exceeded.
XX.X
"FULL" and the indication of the maximum level alternate every
second (= warning overflow).
Loc
Unit electronically locked, programming not possible.
For unlocking press the two programming buttons for 10 s.
uLoc
Feedback: unit is unlocked / programming is possible again.
Err0
Fault in the electronics (the unit must be replaced).
- Measured signal below the safe evaluation range. Clean the
Err1
probe and the process connection. Check mounting (the mini-
mum distances may not have been adhered to).
- The level exceeded the block distance by more than 10 mm.
Reduce the level, attach a spout if possible.
- The level reaches the state "empty" or "full" more quickly than
allowed (plausibility check). Possible causes: cleaning or main-
tenance of the probe or tank, contact with the probe when
switched on.
SC1, SC2
Flashing: short circuit in the switching output 1, 2.
SC
Flashing: short circuit in both switching outputs.
Carry out a reset (power off and on again) after rectifying the fault and to reset
the error message.
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