12
5
. TROUBLESHOOTING
5
.1 P
roblems and Corrections
Problem and Corrections - Review installation procedure section to ensure the installation is correct. If
correct, the troubleshooting chart below lists possible problems, causes, corrections, and reference guide.
Problem
Cause
Correction
Control panel is under normal
function, but vacuum pump
does not start.
The KM1, QM1, MCB1,
MCB2 protectors are
disconnected.
Check each part and turn on the
switch, reconnect, if necessary.
Vacuum pump does not run.
The power supply is not
corresponding with the power
demand indicated on the back
of machine.
Reconnect to correct power
source.
Insufficient vacuum in
chamber.
Low oil level in vacuum pump.
Vacuum pump is rotating in
wrong direction. Lid silicone
rubber damaged.
Fill oil, if necessary. Stop
machine immediately. Then
alter the power connection and
reconnect to correct ones.
Replace.
Insufficient vacuum in bag.
Note :
Mostly insufficient
vacuum in bag is due to leakage
of bag, but not the fault of
machine.
Bag is leaking. Sharp corners
on wrapped product puncture
the bag. Bag is too large.
Replace the bag. Replace the
bag and use a thicker one.
Replace with a smaller one.
Vacuum bag is easily pulled
apart by hand.
Sealing time (temperature) is
too short (low).
Adjust sealing time
(temperature) to be longer
(higher).
Sealing area has some burnt
marks or bubbles appeared.
Sealing area stuffed with oil or
meat juice or dirt. Sealing time
(temperature) is too long (high).
Clean and remove them. Adjust
sealing time (temperature) to be
shorter (lower).
Lid does not open.
Vacuum valve is damaged.
Replace it.