70 Troubleshooting
Error Cause Solution
The Sartocheck
®
4 plus Filter tester | Main switch is in the “0ff” position Turn on main switch
Filter tester cannot be turned on.
Safety fuses blown Have a Sartorius Stedim Biotech Service
technician change the fuses.
The test cannot be started. Tests can be only started if the menu
items “Start test”, “Program test”
and “Test repeat” are activated
Error Message: The internal temperature of the Wait for the temperature to adjust
Temperature of the unit too high unit is outside the limits set in the
Temperature of the unit too low Service Menu
T
min
: +15°C
T
max
: +35°C
No printout is generated The paper is jammed in the printer Remove paper jam
There is no printer paper Insert new roll of paper
Automatic printing is turned off Turn on internal printer.
The measured data obtained for the The filter element has not been wetted Completely rewet the filter element
diffusion rate, pressure drop or intrusion or has been incompletely wetted
are unexpectedly high, and|or
There is housing or system leakage Check system for leakage and eliminate
drop curve is non-linear
filter system leakage
Excessive temperature drift Avoid temperature drift
The test pressure is too high Adjust the correct test pressure
(already in the B.P. range)
Stabilization and|or Check test times and extend them,
test phase too short if applicable
The water used for the intrusion Make sure that the surface tension
test does not have sufficient surface of the water is not < 70 dyn/cm
tension (for the water intrusion test).
The bubble point is unexpectedly low. The filter element has not been Completely rewet the filter element
or has been incompletely wetted
There is housing or system leakage Check system for leakage and eliminate
filter system leak
The wrong test code was entered Enter the correct test code
for an individual integrity test
The surface tension of the Reset test parameters if you use a
wetting fluid was too low non-standard wetting fluid or contact
the Validation Service of the Sartorius
Stedim Biotech GmbH.
Check temperature of wetting fluid.
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