Diagnostics and troubleshooting Proline Prowirl F 200 PROFIBUS PA
162 Endress+Hauser
12.5.4 Diagnostic of process
Diagnostic information Remedy instructions Influenced measured
variables
No. Short text
801 Supply voltage too low Increase supply voltage • Calculated saturated
steam pressure
• Density
• Energy flow
• Flow velocity
• Heat flow difference
• Low flow cut off
• Mass flow
• Total mass flow
• Switch output status
• Pressure
• Reynolds number
• Specific volume
• Corrected volume flow
• Steam quality
• Degrees of superheat
• Temperature
• Volume flow
Measured variable status
Quality Uncertain
Quality substatus Process related
Coding (hex) 0x78 to 0x7B
Status signal S
Diagnostic behavior Warning
Diagnostic information Remedy instructions Influenced measured
variables
No. Short text
828 Ambient temperature too low Increase ambient temperature of pre-
amplifier
• Calculated saturated
steam pressure
• Density
• Energy flow
• Flow velocity
• Heat flow difference
• Low flow cut off
• Mass flow
• Total mass flow
• Switch output status
• Pressure
• Reynolds number
• Specific volume
• Corrected volume flow
• Steam quality
• Degrees of superheat
• Temperature
• Volume flow
Measured variable status [from the factory]
1)
Quality Uncertain
Quality substatus Process related
Coding (hex) 0x78 to 0x7B
Status signal S
Diagnostic behavior Warning
1) Diagnostic behavior can be changed. This causes the overall status of the measured variable to change.