WIKA PG23HP serie Betriebsanleitung Seite 17

6. Faults
Faults
No pointer move-
ment despite change
in pressure.
After depressuri-
sation, the pointer
remains just above
the zero point.
The pointer remains
outside the zero
point tolerance
after installation and
depressurisation.
Instrument outside
the accuracy class.
Vibration of the
pointer.
Mechanical damage
(e.g. window, case).
For the exchange of the instrument chapters 8 "Dismounting, return and
disposal" and 5 "Commissioning, operation" must be observed.
WIKA operating instructions pressure gauge, model PG23HP
Causes
Movement blocked.
Pressure element
defective.
Pressure port blocked.
Friction in the move-
ment.
Instrument was over-
loaded.
Material fatigue of the
pressure element.
Mounting error: Instru-
ment not mounted in
nominal position
Transport damage
(e.g. non-permissible
shock loading)
Instrument was
operated outside of
permissible perfor-
mance limits.
Vibrations in the
application.
Improper handling.
Measures
Replace instrument.
Tap lightly on the case.
Replace instrument.
Check the mounting
position
Replace instrument.
Check the observan-
ce of the operating
parameters of the
application.
Replace instrument.
Use instrument with
case filling.
Replace instrument.
EN
17