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7. Maintenance and cleaning / 8. Faults
7. Maintenance and cleaning
7.1 Maintenance
Repairs must only be carried out by the manufacturer.
7.2 Cleaning
CAUTION!
Clean the instrument with a moist cloth.
■
Electrical connections must not come into contact with moisture.
■
Residual media on the calibration system can result in a risk to
■
persons, environment and equipment. Take sufficient precautionary
measures.
For information on returning the instrument see chapter 9.2 "Return".
7.3 Recalibration
DKD/DAkkS certificate - Official certificates:
We recommend that the calibration system is regularly recalibrated by the manufacturer,
with time intervals of approx. 12 months. Every factory recalibration includes, addition-
ally, an extensive free-of-charge check of all system parameters with respect to their
compliance with the specification. The basic settings will be corrected if necessary.
8. Faults
8.1 Digital pressure gauge fault
Display indication
OL
-OL
No display or undefinable
characters
WIKA operating instructions calibration system, model BCS10
Causes
Low battery voltage
functioning is only guaranteed for a
short period of time
Reading above or below the
measuring range
Battery flat
Power supply unit is set incorrectly
or the polarity is revered
System error
Instrument faulty
Measures
Replace alkaline batteries
Adjust the line pressure to the
admissible range
Replace alkaline batteries
Set the power supply unit
correctly and ensure correct
polarity
Switch off the instrument, wait
for a short period of time and
switch on again
Send to the manufacturer for
repair.
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