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5. TROUBLESHOOTING
5.1 PROBLEMS 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.
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).
Chamber Lid does not open.
Vent valve is sticking. Apply grease refer to 4.4.1.
Machine does not start to vacuum Vacuum valve is sticking Apply grease refer to 4.4.2
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