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Troubleshooting/FAQs
4.1 Troubleshooting
Message
Invalid Setup (use Direct Mode)
Low Signal - Press <ENTER>
Detection Fault
Note
If you receive a Detection Fault message, it is strongly recommended that the Technical
Service Department (http://www.automation.siemens.com/partner) be contacted.
36
All manuals and user guides at all-guides.com
During the Initial Makeup the system detects invalid
transducer spacing, erroneous liquid pipe parameters, or
some other factor that prevents it from completing the Initial
Makeup. This may be due to one of the following:
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During the Initial Makeup the flowmeter decides that the
level of the receive signal is insufficient for proper operation.
Some reasons for low signal are:
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If it appears that the flowmeter cannot complete an Initial
Makeup. It means that the pipe and/or liquid conditions do
not permit a receive signal that meets the flow detection
standards. The system will not operate. Attempt to improve
operating conditions by reinstalling the transducers at a
different spacing offset, or even at a different location on the
pipe.
Switching from Reflect to Direct Mount may solve the
problem. However, operation may not be possible if there is
poor liquid, pipe wall sonic conductivity or extreme liquid
aeration.
Operating Instructions (Compact), 12/2008, CQO:QSG010 Revision A
Description
An out-of-range data entry.
An invalid condition (e.g., overlapping transducers in
Reflect Mode). If selecting Direct Mode does not resolve,
review all site setup and transducer installation choices
particularly data entered for pipe and liquid.
In Reflect Mode the flowmeter detects that the pipe wall
signal may infringe upon the liquid signal. Use Direct
Mode instead.
Trigger <ENTER>, <Up Arrow>, <Down Arrow>, or <Left
Arrow> to abort install routine. Continue programming
other site data in anticipation of resolving the difficulty
later. Call technical support for help, if necessary.
Invoking [Install Complete?] on an empty pipe.
Coupling compound insufficient not applied or
evaporated.
A disconnected or broken transducer cable.
The pipe needs to be conditioned at the mounting
location.
Flush out large air bubbles.
The Xdcr cables are defective or not connected to the
correct channel.
The Set Empty routine performed when pipe was NOT
actually empty.
If you locate and correct the improper condition
immediately, trigger <ENTER> to resume the installation
procedure. Otherwise, trigger the <Left Arrow> to abort
the installation and conduct a thorough investigation.
SITRANS FUH1010 Quick Start
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