Faults - WIKA OLS-C20 Operating Instructions Manual

5. Commissioning, operation / 6. Faults
5.2 Electrical connection
The electrical connection of the switches can be found in the following
connection diagrams.
EN
Electrical connection diagram

6. Faults

Faults
No function
Despite a change in
level, no alteration
in the display and
no switching of the
output
Instrument responds
inversely
12
brown
green
white
The following table contains the most frequent causes of
faults and the necessary countermeasures.
Causes
Failure in power supply
Glass tip dirty
Glass tip too close to an
opposite surface
Glass tip defective
Wrong switching function
(normally open, normally
closed)
24 V
Output
Load
0 V
Operating instructions model OLS-C20
Connector assignment
24 V
0 V
Output
Measures
Measure voltage, check
cable or plug connection
Clean the glass tip
(introduce service intervals)
Increase the distance,
change the mounting
location
Return to the manufacturer
Replace instrument