Siemens SITRANS FUS080 Operating Instructions Manual page 58

Troubleshooting/FAQs
9.1 Error codes
Table 9- 1
Error
code
Blank
display
F 1
F 2
F 3
F 4
F 5
F 6
F 7
F 8
F 9
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.
56
Error codes shown in the display and in PDM
Error
Battery plug not connected, or battery
empty, mains power interrupted
Path 1 (upper path) not measuring
Path 2 (lower path) not measuring
Internal software failure
Internal software failure
Power supply warning
Flow exceeds preset flow rate in unit
(max. speed 10 m/s)
Pulse output A overflow
Pulse output B overflow
Datalogger warning/alarm
Remedy / Cause
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"
No water in upper part of pipe and/or cables or
transducer 1A or 1B defective
No water in lower part of pipe and/or cables or
transducer 2A or 2B defective
Contact Siemens customer support
Contact Siemens customer support
Mains power fails (only mains-powered

versions with battery back-up)
Replace battery pack (battery-powered

versions only)
Flowrate too high
Pulse output exceeds 100 Hz or 50% duty cycle
Pulse output exceeds 100 Hz or 50% duty cycle
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)
Operating Instructions, 07/2012, A5E03059912-02
SITRANS FUS080 transmitter