EN
14392029.02 08/2020 EN/DE
Operating instructions magnetostrictive level transmitter, models FLM-xAI, BLM-TAI (Ex)
29
The following table contains the most frequent causes of faults and the necessary
countermeasures.
Faults
Causes
Measures
No or undefined function
Incorrect terminal assignment
Compare connection diagram
Insulation not clamped sufficiently
Check the terminals
Adjusting collar has slipped or is
incorrectly fitted after the removal
from the guide tube
Check the location of the
adjusting collar
False 0 ... 100 % values
Incorrectly fitted float
Turn the float
Incorrect details with the order
Contact the manufacturer
Defective wave guide through
mechanical effects
Return to the manufacturer
Incorrectly adjusted
Readjust or contact
manufacturer
The transmitter cannot be
mounted at the planned
place on the vessel
Thread sizes and flange sizes for
the level transmitter and vessel do
not match.
Modification of the vessel
or modification of the level
transmitter in the factory
Thread on the screwed coupling at
the vessel defective
Rework the thread or replace
the screwed coupling
Mounting thread at the level
transmitter defective
Return to the manufacturer
7. Faults
