Trouble-shooting
Micropilot M FMR250 FOUNDATION Fieldbus
78
Hauser
A164
electronics defect
hardware problem
reset;
if alarm prevails after reset,
exchange electronics
A171
electronics defect
hardware problem
reset;
if alarm prevails after reset,
exchange electronics
A231
sensor 1 defect
check connection
HF module or electronics defective
exchange HF module or electronics
W511
no factory calibration ch1
factory calibration has been deleted
record new factory calibration
A512
recording of mapping please
wait
mapping active
wait some seconds until alarm
disappears
A601
linearisation ch1 curve not
monotone
linearisation not monotonously increasing
correct linearisation table
W611
less than 2 linearisation
points for channel 1
number of entered linearisation 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. OM)
E651
level in safety distance - risk
of overspill
level in safety distance
alarm will disappear as soon as level
leaves safety distance;
E671
linearisation ch1 not
complete, not usable
linearisation table is in edit mode
activate linearisation table
Code
Description
Possible cause
Remedy