GREISINGER A-10 Manual De Instrucciones página 15

9. Trouble shooting
Please verify in advance if pressure is being applied (valves/ ball valve etc. open) and if the
right voltage supply and the right type of wiring (2-wire/ 3-wire) has been chosen?
Failure
No output signal
Abnormal zero point signal
Abnormal zero point signal
Output signal unchanged after change
in pressure
Signal span too small
Signal span erratic
Signal span erratic / incorrect
Signal span dropping off/too small
In case of unjustified reclamation we charge the reclamation handling expenses.
If the problem persists, contact our sales department.
Process material certificate (Contamination declaration for returned goods)
Purge / clean dismounted instruments before returning them in order to protect our employees
and the environment from any hazard caused by adherent remaining media.
Service of instruments can only take place safely when a Product Return Form has been
submitted and fully filled-in. This Return Form contains information on all materials with which
the instrument has come into contact, either through installation, test purposes, or cleaning.
Operating instructions/Betriebsanleitung/Mode d'emploi/Instrucciones de servicio
Possible cause
Cable break
Overload limits exceeded
Working temperature too high/too low
Mechanical overload through over-
pressure
Mechanical overload through over-
pressure
Electromagnetic interference source in
the vicinity, e.g. inverter drive
Working temperature too high/too low
Diaphragm is damaged, e.g. through
impact, abrasive/agressive media;
corrosion of diaphragm/pressure
connector; transmission fluid missing.
Procedure
Check connections and cable
Ensure permissible overload limits are
observed (see Operating Instructions)
Ensure permissible temperatures as per
the Operating Instructions
Replace instrument; if failure reoccurs,
consult the manufacturer
Replace instrument; if failure reoccurs,
consult the manufacturer
Shield the device; shield the cables;
remove the interference source.
Ensure permissible temperatures as per
the Operating Instructions
Contact the manufacturer and replace
the instrument
A-10
GB
15