GE DigitalFlow GF868, Руководство по обслуживанию

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Chapter 2. Error Codes and Screen Messages
20 DigitalFlow™ GS868 Service Manual
2.11 E9: Press In
Problem:
This message indicates a pressure input error.
Cause:
The pressure exceeds the specified limits for the analog inputs option card or no input device is connected.
Action:
Check the pressure transmitter and the connecting cable. Refer to Chapter 1, Calibration , and recalibrate
the analog inputs on the option card.
2.12 E10: Special Input
Problem:
This message indicates a special input error.
Cause:
The special input exceeds the specified limits for the analog inputs option card.
Action:
Check the special transmitter and the connecting cable. Refer to Chapter 1, Calibration , and recalibrate the
analog inputs on the option card.
2.13 E11: Super Saturated
Problem:
This message indicates that, based on the temperature and pressure readings, the steam is super saturated
and may become two-phase.
Cause:
Low temperature in the system.
Action:
Raise the system temperature or lower the system pressure until all the water vaporizes.
2.14 E12: Low Pressure
Problem:
This message indicates the pressure reading has dropped below the programmed
PRESSURE LIMIT
.
Cause:
System shutdown or a faulty pressure transmitter.
Action:
Bring the steam system back online, or check and recalibrate the pressure transmitter.
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
in the
SYSTM
menu. See Chapter 2, Initial Setup , of the Startup
Guide for instructions.