Balluff BMD 1L Series, User Manual

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9 Diagnostics and servicing
54425-EN-170712
Measurement error during emptying
Fault description Error pattern Reason Recti Ų cation
7. Measured value re-
mains unchanged in
the close range during
emptying
Level
time
0
•
False signal larger than the level
echo
•
Level echo too small
•
Eliminate false signals in the
close range
•
Remove contamination on the
probe. After having removed the
source of the false signals, the
false signal suppression must
be deleted.
•
Carry out a new false signal
suppression
8. Measured value re-
mains reproducible
in one position during
emptying
•
Stored false signals in this
position are larger than the level
echo
•
Delete false signal suppression
•
Carry out a new false signal
suppression
Depending on the reason for the fault and the measures taken, the
steps described in chapter " Setup " must be carried out again or must
be checked for plausibility and completeness.
9.5 Exchanging the electronics module
If the electronics module is defective, it can be replaced by the user.
In Ex applications, only instruments and electronics modules with ap-
propriate Ex approval may be used.
If there is no electronics module available on site, the electronics
module can be ordered through the agency serving you. The electron-
Á»ËÅǼÍĽ˹ʽ¹¼¹È̽¼ÌÇÌÀ½Ê½ËȽ»ÌÁν˽ÆËÇʹƼ¼ÁŰ½ÊÁÆËÁ¿Æ¹Ä
output or voltage supply.
The new electronics module must be loaded with the default settings
of the sensor. These are the options:
•
In the factory
•
Or on site by the user
In both cases, the serial number of the sensor is needed. The serial
numbers are stated on the type label of the instrument, on the inside
of the housing as well as on the delivery note.
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the Internet (see operating instructions manual " Electronics module ").
Caution:
ÄĹÈÈÄÁ»¹ÌÁÇÆƘËȽ»ÁŲ»Ë½ÌÌÁÆ¿ËÅÍË̺½½Æ̽ʽ¼¹¿¹ÁÆƖÀ¹ÌͶËÏÀÑÑÇÍ
have to carry out a fresh setup after exchanging the electronics.
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sor, you can transfer them to the replacement electronics module. A
fresh setup is then not necessary.
9.6 Exchanging the cable/rod
If necessary, the cable or rod (measuring part) of the probe can be
exchanged.
Reaction after fault recti-
Ų cation
Exchanging the cable/rod