Siemens SITRANS FUH1010, Product Instruction Manual, Page: 140 / 264

Troubleshooting
10
10.1 Troubleshooting
The following is list of troubleshooting tips and messages that you may encounter. They
include explanations and, in some cases, a recommended action. If a problem seems
unsolvable, contact your local Siemens Ultrasonic Flow Representative for expert help at
www.automation.siemens.com/partner ( http://www.automation.siemens.com/partner
).
Table 10- 1 Troubleshooting Tips
Error or Message Probable Cause Solution
Memory Full! Response to an attempt to save site data,
when data memory is full.
Delete an obsolete site or clear Datalogger
memory to make room for the new data.
Memory Corrupted! Memory read error occurred while
accessing the active site data.
Refer to F4 reset procedure in the Operation
Instructions manual.
Chan Not Setup Response to an attempt to invoke an
operation that requires a channel to be
enabled.
Enable the channel [Channel Setup - Channel
Enable - Yes]. Note that a channel cannot be
enabled until an "Install" operation is completed.
Clr Active Memory? Response to pressing the F4 key. Use the F4 function to restore operation if a severe
event (e.g., a violent power surge) disrupts system
operation.
Clr Saved Data? [Clr Saved Data?] only appears after
pressing the <Down Arrow> to [Clr Active
Memory?].
Answering Yes to [Clr Saved Data?] will erase ALL
saved data. To invoke in RS-232 serial mode, type
@@@ and then press <ENTER> key.
<EOT> Response to a request to output Datalogger
data to the printer or the Graphics screen
when no Datalogger data exists or at the
end of a transmitted file.
Set up the Datalogger.
No Sites - Press
<ENTER>
Response while trying to recall/delete a site
setup when no sites are stored.
Create a site.
Security Response upon changing previously
entered data when security switch is in
[Disable] position or security code has been
entered.
 Change switch position to [Enable].

Enter previously set security code.
RTC Error Component level problem.
 Meter requires service. Request RMA.
- - -F- - - Fault Alarm

Loss of signal strength (ALC)

Change of Rx signal location (Beam
Blowing)

Recouple sensors with fresh couplant.

Install sensors in Direct mount mode.

Note: If problem persists call Tech support.
Re-space Index The measured liquid sonic velocity (Vs) is
more than +/- 25% of the average Vs range.

Assure proper pipe dimensions and/or Liquid
data entries are correct.
 Properly enter correct Sensor Size into the
meter [Install Sensor] menu.

Confirm sensor spacing is correct by checking
[Install Sensor] menu spacing parameters.
FUH1010 IP65 NEMA 4X Precision Volume
Operating Instructions, 01/2013, A5E32122003-AA
139