Burkert Flowave 8098, Operating Instructions Manual

Page: 324 / 354

324
Maintenance and troubleshooting
Type 8098 FLOWave L
24.8 Messages when setting wrong parameters
24.8.1 Kinematic viscosity
≤
0. Check the flow viscosity
compensation's parameters
Message
Kinematic viscosity ≤ 0. Check the flow viscosity compensation's
parameters
Symbol displayed in the
information bar
Possible cause
• When activating the compensation for a liquid with a constant viscosity,
you have entered a negative value of the viscosity. See chapter 15.15.2 .
• When activating the compensation for a liquid with a non-constant vis-
cosity, the result of the entered equation is negative or equal to 0. See
chapter 15.15.3 , 15.15.4 , 15.15.5 .
What to do?
→
When activating the compensation for a liquid with a constant viscosity,
enter a positive value of the viscosity.
→
When activating the compensation for a liquid with a non-constant vis-
cosity, make sure the liquid temperature is in the range covered by the
equation.
→
When activating the compensation for a liquid with a non-constant vis-
cosity, make sure you have entered correct constant values.
24.9 Messages due to device internal diagnostics
24.9.1 Message "Overvoltage detected"
Message
Overvoltage detected
Symbol displayed in the
information bar
Possible cause
The supply voltage of the device is higher than or equal to the permitted
maximum error value. See chapter 12.7 Monitoring the device supply
voltage or the device temperature.
What to do?
→
Energize the device with a 12...35 V DC voltage.
As soon as the supply voltage value returns to within the permitted range,
the error is automatically reset.
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