WIKA E-10 Mode D'emploi page 16

9. Trouble shooting
Failure
Signal span dropping off/too small
Signal span too small
Signal span drops off
Signal span erratic
In case of unjustified reclamation we charge the reclamation handling expenses.
*) Make sure that after the assembly the unit is working properly. In case the error continues to exist send in the instrument for repair (or replace
the unit).
If the problem persists, contact our sales department.
USA, Canada
If the problem continues, contact WIKA or an authorized agent for assistance. If the pressure
transmitter must be returned obtain an RMA (return material authorization) number and
shipping instructions from the place of purchase. Be sure to include detailed information about
the problem. Pressure transmitters received by WIKA without a valid RMA number will not be
accepted.
16
Possible cause
Diaphragm is damaged, e.g. through
impact, abrasive/agressive media;
corrosion of diaphragm/pressure
connector; transmission fluid missing.
Power supply too high/too low
Mechanical overload through overpres-
sure
Moisture present (e.g. at the cable tail)
Electromagnetic interference source in
the vicinity, e.g. inverter drive
Procedure
Contact the manufacturer and replace
the instrument
Correct the power supply in line with the
Operating Instructions
Replace instrument
Install the cable correctly
Shield the device; shield the cables;
remove the interference source.
WIKA operating instructions, models E-10, E-11
US