HeMaTech 3925-0050 - Page 111

Maintenance Trouble Shooting Chart
EN 3925-0060 V207-00 MANUAL R03.doc
HeMaTech Prüftechnik
111
No.
Message
Possible cause
Remedy
leak) in reference
volume
measuring converter
extremely deflects to
minus during tare time
(filling time too long or filling
pressure too high)
Reference volume
Leak
Check reference volume con-
nection for leaks and clean
the shut-off valve*
Shut-off valve
defective
Replace middle section of
shut-off valve or diaphragm*
Diaphragm of shut-off
valve defective
Replace middle section of
shut-off valve or diaphragm*
11
not used
12
not used
13
Fine leak
in reference volume
Differential pressure
measuring converter
slightly deflects to mi-
nus during tare time
Check the test parameters
(filling time too long or filling
pressure too high)
Reference volume l
eak
Check reference volume con-
nection for leaks, clean
the shut-off valve*
Fixture reduces test
volume
Check device for movement
during measuring time
Differential pressure
measuring converter
full of oil, water, etc.
Clean and readjust the meas-
uring circuit*
Shut-off valve
defective
Replace the middle section
of the shut-off valve*
14
Series fault
Preset series
fault counter exceeded
Only Leak parts
Sealing of device
defective
Replace the sealing of
the device
Tester Leak
Perform a self-test
15
not used
16
not used
17
Overrun of the
absolute pressure
measuring convert-
er
Pressure system outsi-
de tolerance
Redetermine the pressure sys-
tem in menu
6. Settings/3. Pressure system
18
Limit contact for
Leak cannot be ex-
ceeded
Test pressure too low
Test pressure too high,
change limit contact
19
Pressure increase
after closing the
shut-off valve
Pressure increase in
specimen
Check the device for any
movements
20
Apex of filling time
not reached
incorrect specimen
Check the specimen
Supply line worn
Check the supply line