Troubleshooting/FAQs
9.1 Error codes
SITRANS FUS080 transmitter
56 Operating Instructions, 07/2012, A5E03059912-02
Table 9- 1 Error codes shown in the display and in PDM
Error
code
Error Remedy / Cause
Blank
display
Battery plug not connected, or battery
empty, mains power interrupted
Check flowmeter version. Battery version not
able to run on mains power
Battery empty: Replace battery pack
Battery plug not plugged into the transmitter,
see "Battery replacement"
F 1 Path 1 (upper path) not measuring No water in upper part of pipe and/or cables or
transducer 1A or 1B defective
F 2 Path 2 (lower path) not measuring No water in lower part of pipe and/or cables or
transducer 2A or 2B defective
F 3 Internal software failure Contact Siemens customer support
F 4 Internal software failure Contact Siemens customer support
F 5 Power supply warning
Mains power fails (only mains-powered
versions with battery back-up)
Replace battery pack (battery-powered
versions only)
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
consumption 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
● Transducers defective.
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