Error States And Alarms - ABB 266CRH Instructions Manual

266CRH / 266CRT, 266CSH / 266CST MULTIVARIABLE PRESSURE TRANSMITTER | OI/266CXX/MODBUS-EN REV. A

Error states and alarms

Error code Displayed message
C042.046 Default Value as Process
Value
C056.047 Wrong Process Condition for
Flow
C088.030 Input Simulation Active
F099.007 Process Temperature out of
Limits
F100.005 Static Pressure Out of Limits The static pressure of the process exceeds the
F102.004 P-dP Out Of Limits
F104.032 Pressure Overrange
Possible cause
Substitute value for differential pressure active.
The last valid value for differential pressure active.
The calculation will be executed with the substitute
value for absolute pressure.
Last valid value for absolute pressure active.
The calculation will be executed with the substitute
value for process temperature.
Last valid value for process temperature active.
Substitute value for line temperature active.
Last valid value for line temperature active.
Wrong direction for root calculation.
Wrong aggregate status of the measuring medium. Check the aggregate status of the measuring medium.
The P-dP-value generated on the output is derived
from the value simulated on the input.
The static pressure value generated on the output
is derived from the value simulated on the input.
The sensor temperature value generated on the
output is derived from the value simulated on the
input.
Wrong PT100 connection, line break or deviating
process conditions.
limits of the measuring cell. An overshoot of the
static pressure can reduce accuracy, mechanically
damage the membrane, and make a calibration or
replacement necessary. A wrong transmitter model
may have been selected.
The measuring range has not been calculated
correctly or the wrong transmitter model has been
selected.
This effect may have been induced by other devices
in the process (valves, etc.). A pressure range
overshoot can result in reduced accuracy or
mechanical damage of the diaphragm material and
can make calibration or replacement necessary.
Recommended measure
The calculation will be executed with the substitute value for
differential pressure.
The calculation will be executed with the last valid value for
differential pressure.
The calculation will be executed with the substitute value for
absolute pressure.
The calculation will be executed with the last valid value for
absolute pressure.
The calculation will be executed with the substitute value for
process temperature.
The calculation will be executed with the last valid value for
process temperature.
The calculation will be executed with the substitute value for line
temperature.
The calculation will be executed with the last valid value for line
temperature.
Check process connections for the flow measurement in one
direction.
Use the Device Type Manager (DTM) to switch the device back
into the normal mode (end input simulation).
Check the Pt100 connections and process conditions.
You must check whether the pressure transmitter is suitable for
the process conditions. It is likely that a different transmitter
type is required.
You must check whether the pressure transmitter is suitable for
the process conditions. It is likely that a different transmitter
type is required.
You must check whether the pressure transmitter is suitable for
the process conditions. It is possible that a different transmitter
type is required.
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