Proline Prosonic Flow 93T Portable Troubleshooting
Endress+Hauser 51
9 Troubleshooting
9.1 Troubleshooting instructions
Always start troubleshooting with the following checklist if faults occur after commissioning or
during operation. The routine takes you directly to the cause of the problem and the appropriate
remedial measures.
9.2 System error messages
Serious system errors are always recognized by the instrument as "Fault message" and are shown
as a lightning flash ($) on the display! Fault messages immediately affect the inputs and outputs.
"
Caution!
In the event of a serious fault, a flowmeter might have to be returned to the manufacturer for repair.
Important procedures must be carried out before you return a flowmeter to Endress+Hauser
ä 6. Always enclose a duly completed "Declaration of Contamination" form. A copy of the form
can be found at the end of these Operating Instructions!
!
Note!
See the information or troubleshooting guide on ä 51.
Check the display
Nothing shown on the
display.
Check the device storage battery and charge it if necessary.
Display texts are in a
foreign language.
1. Switch off the measuring device.
2. Press and hold down both the OS keys and switch on the measuring device.
The display text will appear in English (default) and is displayed at maximum contrast.
Æ
Error messages on display
Errors that occur during commissioning or measuring are displayed immediately. Error messages consist of a variety of
icons. The meanings of these icons are as follows:
– Type of error: S = System error, P = Process error
– Error message type: $ = Fault message, ! = Notice message
– S.V. RANGE CH1 = error designation (e.g. sound velocity for channel 1 is outside the measuring range)
– 03:00:05 = duration of error occurrence (in hours, minutes and seconds)
– #492 = error number
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Caution!
• See the information on ä 38!
• The measuring system interprets simulations and positive zero return as system errors, but displays them as notice
messages only.
Error number:
No. 001 – 399
No. 501 – 799
System error (device error) has occurred ä 51
Error number:
No. 401 – 499
Process error (application error) has occurred ä 54
Æ
Other error (without error message)
Some other error has
occurred.
Diagnosis and rectification ä 55
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