Endress+Hauser Micropilot M FMR240 Betriebsanleitung Seite 84

Störungsbehebung
84
Code Description
E641 no usable echo
channel 1
check calibr.
E651 level in safety distance - risk
of overspill
E671 linearisation ch1 not
complete, not usable
W681 current ch1 out of range
Micropilot M FMR 240 mit Foundation Fieldbus
Possible cause
echo lost due to application conditions or
built up on antenna
level in safety distance
linearisation table is in edit mode
current out of range (3.8 mA...21.5 mA)
Remedy
check installation;
optimize orientation of antenna;
clean antenna (cf. OM)
alarm will disappear as soon as level
leaves safety distance;
activate linearisation table
check calibration and linearisation
Endress + Hauser