Faults - WIKA RLT-1000 Betriebsanleitung

5. Commissioning, operation / 6. Faults
EN
Always observe the mounting and operating instructions of accessories
when commissioning them.

6. Faults

Faults
Level sensor cannot
be mounted at the
planned place on the
vessel
No signal, non-linear
or undefined signals
14
WARNING!
Malfunctions through voltage spikes due to running cables
together with mains connection leads or due to large cable
lengths.
This can lead to a malfunction in the plant and thus lead to
injury to personnel or damage to property.
▶
Use shielded connection leads.
▶
Ground connection leads at one end.
The following table contains the most frequent causes of
faults and the necessary countermeasures.
Causes
Process connection of
the level sensor does not
match the process con-
nection of the vessel
Process connection at the
vessel defective
Electrical connection
incorrect
Measuring chain or evalua-
tion electronics defective
PLC evaluation defective
Measures
Modification of the vessel
Rework the thread or
replace the screwed
coupling
See chapter 5.4 „Electrical
connection". Check
assignment with the aid of
the connection diagram.
Return to the manufac-
turer
Functional check of the le-
vel sensor with resistance
measuring instrument/
multimeter
WIKA operating instructions models RLT