Buchi V-100 - Troubleshooting and Support; Fault Diagnosis and Remedies

BÜCHI Labortechnik AG Help with faults | 8
Operation Manual Vacuum Pump V-100 41/52
8 Help with faults
8.1 Faults, possible causes and remedies
Fault Possible cause Remedy
Device does not work. Master switch is off. u Switch on master switch.
Device is not connected
to a power supply.
u Check power supply.
System is not air-tight
and cannot achieve ter-
minal vacuum.
Pipe clips not properly
fitted or are damaged.
u Check pipe clips (see Chap-
ter7.2.5 "Replacing tubing",
page40).
Tubing leaking (and
brittle)
u Replace tubing (see Chap-
ter7.2.5 "Replacing tubing",
page40).
Membrane and/or
valves dirty
u Clean or replace membrane
and/or valves (see Chap-
ter7.2.3 "Replacing the
membrane", page38 and
Chapter7.2.4 "Replacing
valve", page39).
Valve O-rings are leak-
ing.
u Replace O-rings (see Chap-
ter7.2.4 "Replacing valve",
page39).
Pump fails to start. Switch on pump top
cover not closing.
u Check seating of pump top
cover and correct if neces-
sary. The cover is fixed by
two knurled-head screws.