ABB Platinum standard Series, Инструкция по эксплуатации

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TROUBLESHOOTING
ERROR MESSAGES AND CORRECTIVE ACTION
WBPEEUI110504A0 6 - 5
Table 6-2. Output Troubleshooting
Fault Probable Cause Corrective Action
High output Primary element Check for restrictions at primary
element.
Pressure piping. Check for leaks or blockage.
Check that blocking valves are
fully open.
Check for entrapped gas in liquid
lines and for liquid in dry lines.
Check that the density of the fluid
in the pressure lines is unchanged.
Check for sediment in transmitter
process flanges.
Transmitter electronics
connections. Make sure all pins and receptacles
are clean.
Check cell connections.
Transmitter electronics failure. Press STATUS key and refer to
Table
6-1 and Figure 6-1 .
Erratic output Cell. Press STATUS key and refer to
Table
6-1 and Figure 6-1 .
Loop wiring. Check for intermittent shorts, open
circuits, and multiple grounds.
Process fluid pulsation. Increase damping.
Install dampers in pressure piping.
Pressure piping. Check for entrapped gas in liquid
lines and for liquid in dry lines.
Transmitter electronics
connections. Make sure pins and receptacles
are clean.
Check cell connections.
Transmitter electronics failure. Press STATUS key and refer to
Table
6-1 and Figure 6-1 .
Low output or no output Power supply. Check output of power supply.
Loop wiring. Check for shorts, open circuits,
and multiple grounds.
Check polarity of connections.
Check loop impedance.
Process connection. Check installation and condition of
process connection.
Note any changes in process prop-
erties that may affect output.