IFM SI0558, Руководство по эксплуатации

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Flow monitor SI0558 SI0564
15
10 Troubleshooting
Indication Description Corrective measures
The display goes OFF briefly
(LEDs go off when a button is pressed)
The sensor is permanently locked.
After approx. 0.6 seconds, the last oper-
ating status is indicated.
u Unlock unit. See Lock / unlock
(
Ò / 12)
Display OFF (no LED on)
Operating voltage too low (< 19 V) or
failed.
u
Ensure correct voltage supply.
Automatic adjustment not successful.
The switch point is outside the measur-
ing range.
u
Check flow and installation, repeat
adjustment if necessary. See
Teaching the switch point (
Ò /
12).