GB
MAINTENANCE
7.5
TROUBLESHOOTING
PROBLEM
Machine not working
Insufficient
vacuum
chamber
Machine does not create
vacuum in chamber
PLexiglas cover does not
close
Insufficient vacuum in bag/
bag does not maintain
vacuum
G B
Seal seam shows burns and
GB
bubbles
Narrow irregular sealseam
Operation and maintenance manual / Ed. 10 - 2005
POSSIBLE CAUSES
Machine Off
No power supply
Machine damage
in
Time set insufficient
Vacuum pump performan-
ce insufficient
Cover gasket worn.
External
containers
evacuation valve open in
models MULTIPLE - VM12 -
VM16.
Pressure
exerted
Plexiglas
cover
during
appliance
start
insufficient.
Jars evacuation valve (in models
MULTIPLE-VM12-VM16) still open.
For appliance with gas
option: gas function active
Pump not working
Cover gasket worn
Hinges out of alignment
Bag positioned incorrectly
Bag perforated
Sealing insufficient
Bag defective
Dirty bag open
Bag too big or too small in
relation to product size.
Sealing time too long
Sealing time too short
ELECTRO-MECHANICAL VERSION
Switch on the machine using the ON/OFF main switch.
Insert the plug in a socket (check the voltage!).
Check power cable to make sure it is intact.
Check fuses PF3 and PF4 on the power board to make sure they are
intact and inserted correctly.
Contact a Service centre.
Increase evacuation time using
the "VAC" control knob.
Check oil.
Check pump exhaust filter.
Replace cover gasket.
Close valve.
on
Lower cover with both hands, exerting more pressure.
up
Close the valve.
Deactivate the gas function using
the "GAS" control knob.
Change pump fuse PF1 on the power board.
(Contact a Service Centre. )
Change the gasket.
Adjust the cover hinge.
(contact a Service Centre).
Place the bag in the centre on the sealing bar projecting by 20 mm
beyond it.
Choose a thicker bag and wrap the product with cling film or soft
paper.
Increase the sealing time using
the "SEAL" control knob.
Change the bag.
Use a new bag and avoid smearing the opening with oil, grease, etc.
Choose a bag size suitable for product dimensions.
Decrease the sealing time using
the "SEAL" control knob.
Increase the sealing time using
the "SEAL" control knob.
68
VACUUM CHAMBER
PACKAGING MACHINES
SOLUTION
DIGITAL VERSION
Increase evacuation time using
the "VAC" key.
Deactivate the gas function using
the "PROG" and "GAS" keys.
Increase the sealing time using
the "SEAL" key.
Decrease the sealing time using
the "SEAL" key.
Increase the sealing time using
the "SEAL" key.
REV. 00 - Cod.: 1500154