Faults - Tecsis P3297 Betriebsanleitung

7. Maintenance and cleaning / 8. Faults
For information on returning the pressure sensor see chapter "9.2 Return".

8. Faults

GB
Open pressure connections only after the system is without pressure!
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?
Faults
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
If complaint is unjustified, we will charge you the complaint processing fees
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Causes
Cable break
Overload limits exceeded
Working temperature too high/too low
Mechanical overload through overpres-
sure
Mechanical overload through overpres-
sure
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.
tecsis Operating Instructions - Pressure sensor P3297
Measures
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