WIKA DMSU22SA Manual De Instrucciones página 46

12. Cleaning ... / 13. Faults
12.4 Maintenance
Checks should be carried out on a regular basis to ensure the measurement accuracy of
the pressure measuring instrument. The checks or recalibrations must be carried out by
qualified skilled personnel with the appropriate equipment.
WARNING!
Repairs must only be carried out by the manufacturer or appropriately qualified
skilled personnel.
EN
12.5 Recalibration
Calibration certificate - official certificates:
We recommend that the instrument is regularly recalibrated by the manufacturer, with
time intervals of approx. 12 months.
13. Faults
In the event of any faults, first check whether the instrument is mounted correctly,
mechanically and electrically. For instruments with display and operating units, the error
code with error text will be displayed in the event of a failure.
Faults
Display does not indi-
cate anything
Error code
E001
E002
1)
E003
E004
E005
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Causes
Instrument is not
mounted correctly
Error text Causes
Hardware fault Lack of communication
Sensor missing Communication to the sen-
sor faulty
Sensor faulty Pressure status sensor faulty
Characteristic Overrange in calculation
curve error chain
Temperature Temperature sensor faulty
sensor
Measures
Install the electrical connection and/or the
display and operating unit correctly
Measures
Restart the instrument
Return the instrument
Restart the instrument
Return the instrument
Restart the instrument
Return the instrument
Restart the instrument
Switch to a linear charac-
teristic curve
Check the inputs
Return the instrument
Restart the instrument
Return the instrument
WIKA operating instructions, model DMSU22SA