WIKA CPH6400 - Handbuch (Seite 34)

34 WIKA operating instructions, model CPH6400
11313439.04 12/2012 GB/D
GB
7. Maintenance, cleaning and recalibration / 8. Faults
For information on returning the precision hand-held pressure indicator
see chapter "9.2 Return".
7.3 Recalibration
DKD/DAkkS certificate - Certificates:
We recommend that the instrument is regularly recalibrated by the manufacturer, with
time intervals of approx. 12 months. Every factory recalibration includes, additionally, 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
Display Causes Measures
low BAT The rechargeable battery's capacity is
less than 10 %.
Recharge the internal rechargeable
battery using the battery charger.
Sensor
Overflow
The current pressure value is outside
the measuring range of the model
CPT6400 reference pressure sensor
Adjust the pressure immediately and
appropriately.
No display
or strange
symbols, device
is not respond-
ing to input
Malfunction during operation. Switch off the instrument and switch
on again after 5 seconds.
No display The instrument is not detected by the
PC.
Check whether the USB interface
is connected correctly and USB is
activated in the CPH6400 (see chapter
6.8.2)
No display When switching the instrument on,
after 10 seconds no measured value
is displayed, but instead, the whole
display is dark.
Recharge the internal rechargeable
battery using the battery charger.
The display is dark and the recharge-
able battery cannot be charged via the
battery charger.
Check that the battery charger is
connected properly, and also check
(using appropriately qualified person-
nel) that the power supply voltage is
correct.