Endress+Hauser Soliphant M FTM50 Mode D'emploi page 61

en - Trouble-shooting
Cause
No supply voltage
Reversal of polarity
Short circuit of output
Faulty signal line
Wrong fail-safe mode selected
Extreme radio interference
Water in housing
FEM51:
Holding current of the used
relay too low
Bulk density too low
Extreme external vibrations
Build-up
Faulty electronic insert
Abrasion
No connection to sensor
Endress+Hauser
Does not switch Switches incorrectly
Check supply voltage
Check terminal assignment
Check signal line
Set
MAX for overfill protection,
MIN for dry running protection
Use suitable relay or request
MVT 2Y1278 optionally
Adjust to lower bulk
density
Sporadic faulty Display of
switching maintenance
Check terminal
assignment
Use screened cable
clean cover and cable
entries and tighten them
securely
Adjust to lower bulk
density
Adjust switching delay
to 5 s
Adjust to higher bulk Remove build-up
density
Display of
instrument failure
Exchange
electronic insert
Exchange sensor
Exchange sensor
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