Trouble-shooting
Micropilot S FMR540 4 to 20 mA HART
64
Hauser
W601
linearisation ch1 curve not
monotone
linearization not monotonously increasing correct linearisation table
W611
less than 2 linearisation
points for channel 1
number of entered linearization points < 2 correct linearisation table
W621
simulation ch. 1 on
simulation mode is active
switch off simulation mode
E641
no usable echo
channel 1
check calibr.
echo lost due to application conditions or
built up on antenna
check installation;
optimize orientation of antenna;
clean antenna (cf. Operating
Instrcutions)
E651
level in safety distance - risk
of overspill
level in safety distance
alarm will disappear as soon as level
leaves safety distance;
A671
linearisation ch1 not
complete, not usable
linearisation table is in edit mode
activate linearisation table
W681
current ch1 out of range
current out of range (3.8 mA to 20.5 mA)
check calibration and linearisation
Code
Description
Possible cause
Remedy
