Error
code
Error Remedy/Cause
F 6 Flow exceeds preset flow rate in unit
(max. speed 10 m/s)
Flowrate too high
F 7 Pulse output A overflow Pulse output exceeds 100 Hz or 50% duty cycle
F 8 Pulse output B overflow Pulse output exceeds 100 Hz or 50% duty cycle
F 9 Datalogger warning/alarm Datalogger warning monitors whether actual con‐
sumption on Totalizer 1 is on end of log interval or
above/below the limit settings.
The warning has no influence on the flowmetering.
Check data logger values and consumption limit
(via PDM parameter 602)
Errors "F 1" to "F 4" affect the performance of the meter and the flowmeter may stop measuring.
Errors "F 1" and "F 2" disappear when the alarm condition is corrected.
Errors "F 5" to "F 9" are only warnings and do not affect the measurement, but they will influence
the outputs.
The error indications disappear when the alarm conditions are corrected and a reset via the
communication interface has been carried out.
Example
Error code "F 1 2" in the display indicates a combination of error codes "F 1" and "F 2".
Possible causes:
● Empty pipe
● Path 1 and path 2 cables defective
● Path 1 and path 2 cables not connected
● Sensors defective
9.2 Diagnosing with PDM
SIMATIC PDM is a suitable tool for diagnosing the device. You can use SIMATIC PDM to read
all parameters available in FUS080 to a table for analyzing offline, view online/actual process
values and online/actual diagnostic information.
Requirements
The following procedure must be completed before diagnosing:
● Connection of Modbus interface via PC and IrDA, see also Commissioning via PDM
(Page 52)
● Installation of PDM and FUS080 PDM driver, see also Installing the device driver (Page 54)
Troubleshooting/FAQs
9.2 Diagnosing with PDM
SITRANS FUS380/FUE380
82 Operating Instructions, 05/2018, A5E00730100-AE
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