Troubleshooting
Faults without diagnostic message
11.06.2014 77
Symptom Cause Solution
• Film pouch not suitable. • Use a film pouch suitable for
sealing.
• The pressure difference be-
tween the chamber and the
outside environment is not
large enough before the seal-
ing process.
• Set the evacuation time such
that the pressure display
shows a pressure difference
of at least 0.35 bar before the
sealing process.
• Sealing bar damaged. • Replace sealing bar.
• The pressure difference be-
tween the chamber and the
outside environment is not
large enough before the seal-
ing process.
• Set the evacuation time such
that the pressure display
shows a pressure difference
of at least 0.35 bar before the
sealing process.
• Teflon tapes on the sealing
bar and counter-pressure bar
are worn.
• Change the Teflon tapes.
Seal seam is uneven
and wavy.
• Profile thread in the counter-
pressure bar is worn.
• Repair the counter-pressure
bar.
Seal seam is milky. • Sealing time is set incorrectly. • Reduce the sealing time. The
seal seam should be clear and
transparent.
The excess pouch neck
can only be severed with
difficulty at the sever
seal or it can not be
severed at all.
• Sealing time is set incorrectly. • Increase the sealing time in
small increments. The excess
pouch neck should be easy to
sever.
• Air de-oiling element is defec-
tive.
• Change air de-oiling element. Odour or smoke.
• Oil return valve of vacuum
pump is clogged.
• Notify the service.
• Air de-oiling element clogged. • Change air de-oiling element. Machine is very loud.
• Vacuum pump defective. • Notify the service.
High oil consumption. • Air de-oiling element clogged. • Change air de-oiling element.
• Screw plugs or oil sight glass
not tight.
• Tighten screw plugs and oil
sight glass.
Oil leaks out of machine.
• Vacuum pump defective. • Notify the service.
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