Process Errors Without Messages - Endress+Hauser Proline Prosonic Flow 93 Operating Instructions Manual

Troubleshooting
Error messages:
No. FOUNDATION Fieldbus
(FF)*
(local display)
495 Device status message (FF):
Interference CH1 –
Err. No. 495
Local display:
P: INTERF CH1
$: # 495
496 Device status message (FF):
Interference CH2 –
Err. No. 496
Local display:
P: INTERF CH2
$: # 496
Symptoms
!
Note!
For troubleshooting, it may be necessary to modify or adapt settings in certain functions of the function matrix.
The functions outlined below are described in detail in the "Description of Device Functions" manual.
Unstable measured value display
despite continuous flow.
Measured value reading shown on
display, even though the fluid is at a
standstill and the measuring tube is full.
The fault cannot be rectified or some
other fault not described above has
occurred.
In instances of this nature, contact your
E+H service organization.
108
Transducer Block
error messages
BLOCK_ERR = Device needs
maintenance now
Transducer_Error = General
Error
BLOCK_ERR = Device needs
maintenance now
Transducer_Error = General
Error
9.3

Process errors without messages

Rectification
1. Check the fluid for presence of gas bubbles.
2. Increase the following values:
– Analog Input function block  RISING TIME
– BASIC FUNCTIONS  SYSTEM PARAMETER  CONFIGURATION  FLOW DAMPING
3. Increase the value for display damping:
HOME  USER INTERFACE  CONTROL  BASIC CONFIG.  DISPLAY DAMPING
1. Check the fluid for presence of gas bubbles.
2. Enter a value for the low flow cutoff or increase this value:
BASIC FUNCTION  PROCESS PARAMETER  CONFIGURATION  ON-VALUE LF CUTOFF
The following options are available for tackling problems of this nature:
Request the services of an E+H service technician
If you contact our service organization to have a service technician sent out, please be ready with the following
information:
• Brief description of the fault
• Nameplate specifications: order code and serial number  ä 7
Return devices to E+H
You can return a measuring device to Endress+Hauser for repair or calibration.
Always enclose the duly completed "Declaration of contamination" form with the flowmeter.
You will find a preprinted blank of this form at the back of this manual.
Replace transmitter electronics
Components in the measuring electronics defective  Order spare part  ä 109
Proline Prosonic Flow 93 FOUNDATION Fieldbus
Analog Input Function Block
error messages
OUT. QUALITY = UNCERTAIN
OUT. SUBSTATUS = Non specific
OUT. QUALITY = UNCERTAIN
OUT. SUBSTATUS = Non specific
Cause/remedy
(Spare parts  ä 109)
Cause:
The wave transmitted in the pipe may superimpose
the useful signal. We recommend you alter the
sensor configuration in the event of this error
message.
"
Caution!
If the measuring device displays zero flow or a low
flow, the sensor configuration must be changed.
Remedy:
Change the traverses of 2 and 4 to 1 and 3.
To do so, proceed as follows:
1. Change the number of traverses in the
function accordingly:
– FF: Transducer Block "Transducer_CH1"
(base index: 1400) or "Transducer_CH2"
(base index: 1500)  Parameter "Sensor
Param. - Sensor Configuration"
– Onsite display: BASIC FUNCTIONS 
SENSOR DATA CH1 or CH2  SENSOR
PARAMETERS  SENSOR
CONFIGURATION
2. Relocate the sensors accordingly.
Endress+Hauser