Troubleshooting
Faults with diagnostic message
108 10.06.2014
Symptom Cause Solution
• The actuating voltage has
failed or the actuator is defec-
tive.
• Have the actuating voltage
and actuator checked by a
trained and qualified electri-
cian.
Symptom Cause Solution
• Vacuum pump does not
switch off.
• Notify MULTIVAC Service. 67
• Ventilation valve does not
open.
• Notify MULTIVAC Service.
• No inert gas available or al-
most depleted.
• Connect inert gas or ensure
that there is sufficient gas
supply (e.g. change gas cylin-
der).
• Stop-cock for the gas supply
is closed.
• Open the stop-cock for the
gas supply.
• Gas hose has a kink in it. • Remove the kink in the gas
hose.
• Value for the gas flushing
pressure is set such that it
cannot be reached.
• Correct the value for Gas
flushing pressure.
• The vacuum sensor is incor-
rectly calibrated.
• Notify MULTIVAC Service.
• Vacuum sensor is defective. • Notify MULTIVAC Service.
68
• Gas valve does not open. • Notify MULTIVAC Service.
• Value for the Evacuation
pressure is set so low that it
cannot be reached.
• Correct the value for Evacua-
tion pressure.
• Vacuum hose between the
chamber and the vacuum
sensor is clogged, missing or
leaking.
• Notify MULTIVAC Service.
• Vacuum hose is loose, leaking
or clogged.
• Notify MULTIVAC Service.
• Chamber lid gasket is not air-
tight.
• Notify MULTIVAC Service.
69
• Vacuum sensor is defective. • Notify MULTIVAC Service.
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