BRAND PLT Mode D'emploi page 78

10 Troubleshooting
Errors occurring during pipette tests
Fault
Test interrupted
Measured leak rate im-
plausible
PLT not responding at
all or behaving unusu-
ally
If errors cannot be resolved through the specified measures, send the device in for repair.
78
Operating manual
Error display
FAIL
Test aborted
Leak rate cannot be
measured!
back
NOTICE
Possible cause
No pipette in adapter or
pipette not inserted firmly
enough
Tested pipette full of leaks Pipette is defective and
Tip not completely sealing
shaft
Wrong pipette type set
Pipette adapter not leak-
tight
Pipette adapter loose
Moisture in measurement
room; adapter filter
clogged
For 5 mL and 10 mL
pipettes: Measurement
pressure too high for
pipette's piston spring Pis-
ton being pulled down-
wards during evacuation
by pump
Moisture or leak in PLT
unit
Software error; electrical
fault
Remedy
Insert pipette more
firmly.
cannot be tested with
this testing unit. Send
pipette in for repair.
Mount another tip.
Check shaft for damage.
Select correct pipette
type from menu.
Check adapter for lint or
abrasion and check filter
for moisture. Clean
adapter and replace fil-
ter. Perform self-test.
Tighten lock nut. Per-
form self-test
Replace adapter filter;
perform self-test (Quick
Test).
Set pipette type to "5 ml
soft" or "10 ml soft".
Perform self-test
(Full Test).
Disconnect all cables
from device. Reconnect
power cable after ap-
prox. 5 seconds.
PLT unit 997960