OPERATING INSTRUCTIONS | CFP CUBIC 8021989 / 2017-10-20 | SICK AG
Subject to change without notice
46
11 TROUBLESHOOTING
Error Cause Solution
Sensor shows high level even though
the tank is empty.
The empty state of the probe has
changed signicantly due to altered
ambient conditions or aging
Increase the threshold so that faults are
below the threshold.
Check SigQu4, re-teach capacitance val-
ues in empty state, see “8.5.4 Perform-
ing empty adjustment”.
Deposit is detected as level Remove deposit.
If the level is detected at the deposit,
check SigQu1 and increase the thresh-
old until the level is no longer detected.
Strong temperature uctuations are
interfering with the probe
Increase the threshold, reduce the rate
of temperature change.
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