Troubleshooting
Faults with diagnostic message
10.06.2014 109
Symptom Cause Solution
• Vacuum pump was not trig-
gered, overload current relay
has signalled or vacuum pump
is defective.
• Notify MULTIVAC Service.
• Vacuum pump is leaky. • Notify MULTIVAC Service.
• Filter in the line to the vacuum
sensor is dirty and blocked.
• Notify MULTIVAC Service.
• Leak in hose connections. • Notify MULTIVAC Service.
• Leak in vacuum hose. • Notify MULTIVAC Service.
80
• The vacuum sensor and as-
sociated line is leaking.
• Notify MULTIVAC Service.
81 • Sealing diaphragm leaks. • Notify MULTIVAC Service.
8.2 Faults without diagnostic message
Symptom Cause Solution
• Machine is switched off. • Switch on the machine. Machine does not run.
• Mains plug is unplugged. • Plug in the mains plug.
• Chamber lid pressed closed
too briefly.
• Press chamber lid closed
more firmly and for longer.
• Chamber lid gasket is dirty. • Clean the chamber lid gasket.
Chamber lid does not
remain closed despite
pump running.
• Chamber lid gasket is dam-
aged.
• Notify MULTIVAC Service.
• The time Fill diaphragm is set
too low.
• Correct the time Fill dia-
phragm.
• Sealing time is incorrectly set. • Correct Sealing time.
• Sealing pressure is incorrectly
set.
• Correcting the sealing pres-
sure.
• Pouch neck is clamped by
chamber lid.
• Insert the film pouch so that
the pouch neck lies within the
chamber.
• Seal seam is dirty. • Keep sealing bar and film
pouch clean.
• Pack not air-tight. • Use a new film pouch.
Seal seam not airtight -
pack is slack.
• Film pouch not suitable. • Use a film pouch suitable for
sealing.
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