Endress+Hauser Proline Prowirl 72 - Page 51

Proline Prowirl 72 FOUNDATION Fieldbus 9 Troubleshooting
Endress + Hauser 51
379 Device status message (FF):
Device operated in resonance
frequency – Err. No. 379
Local display:
S RESONANCE DSC
$ # 379
OUT. QUALITY =
BAD
Cause of error:
The device is being operated in the
resonance frequency.
! Note!
If the device is operated in the
resonance frequency, this can
result in damage which can lead to
complete device failure.
Remedy
Reduce the flow.
All
Transducer_Error = Unspecific
error
OUT. SUBSTATUS =
Non specific
394 Device status message (FF):
DSC sensor defect –
Err. No. 394
Local display:
S DSC SENS DEFCT
$ # 394
BLOCK_ERR = Device needs
maintenance now
OUT. QUALITY =
BAD
Cause of error:
The DSC sensor is defective,
measurement no longer takes
place.
Remedy
Contact your Endress+Hauser
service organization.
All
Transducer_Error =
Mechanical component error
OUT. SUBSTATUS =
Sensor Failure
395 Device status message (FF):
DSC sensor defect –
Err. No. 394
Local display:
S DSC SENS LIMIT
# 395
BLOCK_ERR = Other OUT. QUALITY =
UNCERTAIN
Cause of error:
The DSC sensor is being operated
near application limits, device
failure is probable soon.
Remedy
If this message persists, please
contact your local Endress+Hauser
service organization.
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All
Transducer_Error = Unspecific
error
OUT. SUBSTATUS =
Non specific
No. Error messages:
– FOUNDATION Fieldbus (FF) *
– Local display
Error messages in the
Transducer Block 
"Diagnosis"
Analog Input 
funct. block
error messages
Cause of error / remedy Output
variables
affected