GB
60
2. Trouble shooting
Operating mode Fault Cause Remedy
General No liquid registered Correction factor 0 in the main memory Calibrate flow meter (chapter C 3.3)
Measured quantity differs significantly Correction factor does not match Calibrate flow meter (chapter C 3.3)
from the actual quantity operating conditions
Wrong unit of measure set Set correct unit of measure
(chapter C 3.4.1)
Leaks in hose system Install check valve if necessary
Radio interference on the data line Place data line separate from
low-voltage conduits
Liquid leaks from the housing Seal defective Replace seal
Hairline cracks in housing and/or on Check installation conditions for
screw connection due to mechanical mechanical stresses and correct them
influences
Screw connection not tightened Check that screw connections are
securely secure
Operating pressure exceeded, pressure Check pressure conditions
surges e.g. due to water hammer
Inadequate chemical resistance Contact manufacturer
Throughput decreases Filter screen soiled Remove and clean filter screen
Measuring chamber soiled Flow meter must be flushed and cleaned
regularly after handling aggressive,
tacky, crystallizing or very
contaminating liquids
Manual mode „Batt“ indication flashes or remains End of battery service life Replace batteries (chapter C 4.1)
permanently on
No indication after changing batteries Batteries fitted incorrectly Open battery compartment and check
polarity
Battery contacts corroded Clean contacts
Automatic mode No liquid registered Dry running Prevent air pockets in connecting lines,
Filling process interrupted by flow meter use a solid hose system
„STOP“ appears on display Solenoid valve does not open Check solenoid valve
Time required to fill the connecting lines Increase monitoring time
exceeds the set monitoring time (chapter C 3.2.10)
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