14 Troubleshooting
14.1 Possible faults
14 Troubleshooting
14.1 Possible faults
Faults can have different causes. The following tables list the symptoms of a fault, the possible causes
and measures for troubleshooting.
In the case of faults please contact the manufacturer. Under services@kral.at.
Identifica-
tion
Fault
1 Flowmeter leaks
2 No flow rate
3 Flowmeter does not generate a pulse
4 Pressure loss too high
5 Measured values not realistic
14.2 Troubleshooting
Fault identifica-
tion
Cause Remedy
1 – – – – Seal preload too low
Preload the screws.
1 – – – – Seal damaged
Replace the seal.
Check the chemical resistance of the seal.
– 2 3 – 5 Foreign particles in the liquid and/or flowmeter
Dismantle the flowmeter and clean it.
Use the commissioning filter.
– – 3 – 5 Pick up not connected correctly
Check the power supply for the pick up. In the process observe the operating instruc-
tions of the pick up.
– – 3 – 5 Pick up defective
Check the function of the pick up. In the process observe the operating instructions of
the pick up.
1 – 3 – – Dry sleeve destroyed
Replace the dry sleeve. Contact the manufacturer in the process.
– 2 3 – – Inlet pressure too low
Increase the inlet pressure.
– – – 4 – Viscosity of the liquid too high
Increase the temperature. When doing so observe the temperature range.
– – 3 – – Flow rate too low
Increase the flow rate.
-or-
Use a flowmeter with a suitable size.
-or-
Use linearization. In the process observe the operating instructions of the electronic
equipment.
– – – 4 – Flow rate too high
Reduce the flow.
-or-
Use a flowmeter with a suitable size.
– – – – 5 Airlocks
Deaerate the system and check for leaks.
42
OIO 14en-GB Edition 2020-01
Operating instructions