Panametrics DigitalFlow GM868, Service Manual

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Chapter 2. Error Codes and Screen Messages
20 DigitalFlow™ GM868 Service Manual
2.14 E12: Not Used
This error code message is not currently in use.
2.15 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.
2.16 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.
2.17 E15: Equation Limit
Problem: The steam measurement may not be within 1% accuracy.
Cause: The temperature or pressure reading is outside the accuracy specification of the GM868 steam
equations.
Action: Adjust the pressure reading to within the range of 139.9685 kPa to 2242.9435 kPa, or the temperature
reading to within the range of 373.1500K to 810.9278K.