Chapter 2. Error Codes and Screen Messages
18 DigitalFlow™ Multipurpose Ultrasonic Liquid Flowmeter Service Manual
E11: Poor Signal
Problem: This message indicates a poor signal.
Cause: The shape of the processed signal is not good enough to formulate a flow measurement.
Action: Check the pipe and setup parameters and the transducer connections. The process may not include enough
two-phase content — switch to transit-time mode.
E12: Incoherent Signal
Problem: This message indicates an incoherent signal.
Cause: The flow measurements, as determined by the two Repetition Periods, are too dissimilar.
Action: Check the pipe and setup parameters and the transducer connections. The process may not include enough
two-phase content — switch to transit-time mode.
E13: Over Range
Problem: This error code message indicates that the present measurement exceeds the capacity of the meter.
Cause: A internal mathematical overflow has occurred in either the volumetric or mass flow calculations.
Action: Select larger measurement units or a shorter time interval for the current measurement parameter. For
example, choose KSCF/M instead of SCF/M. See the Startup Guide for instructions.
E14: Totals Overflow
Problem: The totalizers are unable to keep up with the total flow signals.
Cause: The programmed units/pulse value is too small.
Action: Select a larger number of units/pulse value.
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