Diagnostics and troubleshooting Proline Prowirl F 200 PROFIBUS PA
154 Endress+Hauser
Diagnostic information Remedy instructions Influenced measured
variables
No. Short text
350 Pre-amplifier defective Change 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 Bad
Quality substatus Maintenance alarm
Coding (hex) 0x24 to 0x27
Status signal F
Diagnostic behavior Alarm
1) Diagnostic behavior can be changed. This causes the overall status of the measured variable to change.
Diagnostic information Remedy instructions Influenced measured
variables
No. Short text
351 Pre-amplifier defective Change 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
• Volume flow
Measured variable status
Quality Bad
Quality substatus Maintenance alarm
Coding (hex) 0x24 to 0x27
Status signal F
Diagnostic behavior Alarm
Diagnostic information Remedy instructions Influenced measured
variables
No. Short text
370 Pre-amplifier defective 1. Check plug connections
2. Check cabel connection of remote
version
3. Change pre-amplifier or main electronic
module
• 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 Bad
Quality substatus Maintenance alarm
Coding (hex) 0x24 to 0x27
Status signal F
Diagnostic behavior Alarm
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