WIKA BNA - Faults

EN
Operating instructions bypass level indicator, model BNA
001958.03 03/2019 EN/DE
13
WARNING!
The heating jacket of the bypass level indicators may only be
used according to the specied maximum values for pressure
and temperature.
Attachment of accessories to the bypass level indicator
For the mounting of accessories (e.g. BLR or BLM sensors or BGU
switches), the relevant maximum values for the instrument must be
considered. The applicable laws and directives for the assembly and the
planned purpose of application must be observed.
6. Faults
The following table contains the most frequent causes of
faults and the necessary countermeasures.
Faults Causes Measures
Bypass level
indicator cannot
bettedatthe
planned place on
the vessel
The thread sizes or ange sizes
for the bypass level indicator do
not match
Modication of the vessel
Return to the factory
Thread on the screwed
coupling on the vessel is faulty
Rework the thread or
replace the screwed
coupling
Mounting thread on the bypass
level indicator is faulty
Return to the factory
Centre-to-centre distance of
the vessel does not correlate
with the bypass level indicator
Modication of the vessel
Return to the factory
Process connections are not
attached parallel to one another
Modication of the vessel
5. Commissioning, operation / 6. Faults