Siemens SITRANS F M Intermag 2, Operating Instructions Manual

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Maintenance
6-4
SITRANS FM Intermag 2 Flow Transmitter
Operating Manual - A5E00102775-03
6.3.2 Error Messages
6.3.2.1 Application Problems
Error Diagnosis Remedy
Sensor does not work or Power supply missing Connect or switch on power supply Sensor does not work or Power supply missing Connect or switch on power supply Sensor does not work or
di l t t
Power supply missing Connect or switch on power supply
no display or no output
signal
Device fuse defective
Check device fuse and replace if necessary
(see section 6.3.1)
Transmitter does not react Reflections in the glass Clean glass
to controls
Glass is not tight to the operating
unit Screw in the electronic cover tightly
Transmitter cannot be
parameterized by the Personal code is activated Enter personal code (menu 6.1 or deactivate
by entering 0 in menu 6.2 ) p y
operating module
Local operation lock activated by
HART or PROFIBUS Cancel operation lock (see section 5.4.4)
Output signal OK but no
display visible Ambient temperature outside
permissible range Remote design: bring transmitter into a tem•
perature range of 0 to 50
°
C
p y
Display defective Change operating module
Flow display = 0 at Low flow cut set too high Reduce low flow cut (menu 3.1.6 ) p y
available flow
Flow opposite to preferable
direction at setting of measuring
direction to ”forwards only” Switch over preferred direction menu ( 3.1.5.1 )
or set measuring direction to ”forw.+rev.”
(menu
3.1.5.2 )
Measured value set to 0 via
digital input Switch over signal at digital input (menu 4.3.2 )
or switch off function (menu 3.3.1 )
Cable connection to sensor
defective (only for remote design) Check cable connection and exchange as
required
SmartPLUG defective Have SmartPLUG exchanged
(only by service personnel)
Transmitter indicates flow
at zero flow Hydraulic zero point drift,
application-dependent Perform zero correction (menu 6.6.2 ) or enter
correction value directly (menu 6.6.1 )
Earthing problems Provide potential equalization according to
section 3.2.1
Fluctuating measuring
results at constant flow Air, gas occlusions Eliminate gas occlusions or use gas trap,
guarantee full level
Earthing problems Provide potential equalization according to
section 3.2.1
Vibrations in the sensor and/or in
the cable run Fix the sensor better, strap cables
Medium conductivity too low Check conductivity;measuring method may
be unsuitable
Proportion of solids too high Reduce proportion of solids, measuring
method may be unsuitable