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Insufficient vacuum in
chamber.
Insufficient vacuum in bag.
Note : Mostly insufficient
vacuum in bag is due to leakage
of bag, but not the fault of
machine.
Vacuum bag is easily pulled
apart by hand.
Sealing area has some burnt
marks or bubbles appeared.
Lid does not open.
Low oil level in vacuum pump.
Vacuum pump is rotating in
wrong direction. Lid silicone
rubber damaged.
Bag is leaking. Sharp corners
on wrapped product puncture
the bag. Bag is too large.
Sealing time (temperature) is
too short (low).
Sealing area stuffed with oil or
meat juice or dirt. Sealing time
(temperature) is too long (high).
Vacuum valve is damaged.
18
Fill oil, if necessary. Stop
machine immediately. Then
alter the power connection and
reconnect to correct ones.
Replace.
Replace the bag. Replace the
bag and use a thicker one.
Replace with a smaller one.
Adjust sealing time
(temperature) to be longer
(higher).
Clean and remove them. Adjust
sealing time (temperature) to be
shorter (lower).
Replace it.
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