Endress+Hauser Soliphant M FTM51 - Trouble-Shooting

Endress+Hauser 61
en - Trouble-shooting
Cause Does not switch Switches incorrectly Sporadic faulty
switching
Display of
maintenance
Display of
instrument failure
No supply voltage Check supply voltage
Reversal of polarity Check terminal assignment
Short circuit of output Check terminal
assignment
Faulty signal line Check signal line
Wrong fail-safe mode selected Set
MAX for overfill protection,
MIN for dry running protection
Extreme radio interference Use screened cable
Water in housing clean cover and cable
entries and tighten them
securely
FEM51:
Holding current of the used
relay too low
Use suitable relay or request
MVT 2Y1278 optionally
Bulk density too low Adjust to lower bulk
density
Adjust to lower bulk
density
Extreme external vibrations Adjust switching delay
to 5 s
Build-up Adjust to higher bulk
density
Remove build-up
Faulty electronic insert Exchange
electronic insert
Abrasion Exchange sensor
No connection to sensor Exchange sensor