15
121102.01 06/2015 EN/DE/FR/ES
EN
WIKA operating instructions model OLS-F1
6. Faults
The following table contains the most frequent causes of
faults and the necessary countermeasures.
Faults
Causes
Measures
No function
Failure in power supply Measure voltage, check
cable or plug connection
Despite a change in
level, no alteration in the
display and no switching
of the output
Glass tip dirty
Clean the glass tip
(introduce service
intervals)
Glass tip too close to
an opposite surface
Increase the distance,
change the mounting
location
Instrument responds
inversely
Wrong switching
function (normally
open, normally closed)
Replace instrument
CAUTION!
Physical injuries and damage to property and the
environment
If faults cannot be eliminated by means of the listed
measures, the instrument must be taken out of operation
immediately.
▶
Ensure that pressure or signal is no longer present
and protect against accidental commissioning.
▶
Contact the manufacturer.
▶
If a return is needed, please follow the instructions
given in chapter 8.2 “Return”.
6. Faults
