vc999 K7 - Other Faults and Their Remedies

Vacuum Packaging Machine VC999 K7
Error display and troubleshooting
Page 78/121 Art.-No. 592.016 2008-11-26
10.3 Other faults and their remedies
Not all faults can be identified and displayed by the Vacuum Packaging Machine. The following Table
lists possible faults and mentions the causes and the action to take.
Fault Cause Remedy
Fan or collector blocked Check installation
Fan safety cut-out actuated Check safety cut-out
Suction fan direction of rotation
incorrect
Check direction of rotation
Bag waste suction non-
operative, suction effect
non-existent or too little
Suction system not leak-tight Check suction system
Check edges and points on cutter
blade
Bag waste suction not operating
properly
Check whether cutter blade inserts
in the centre of the 4.5 mm wide
groove when cutting
Bag waste suction opera-
tive but bag waste not
extracted
Bag waste suction and cut-off sys-
tem contaminated
Clean and dry system so that bag
waste does not adhere at any point
Vacuum chamber lid
strikes housing when clos-
ing
End position dampers on cylinder
not set correctly
Set end position dampers correctly
Vacuum chamber lid drops
too quickly or too slowly
Air venting attenuation not set
correctly
Check air venting attenuation
Cylinder not leak-tight
Check cylinder and replace if neces-
sary
Screw fixing on cylinder not leak-
tight
Vacuum chamber lid drops
slowly when machine is
switched on
Screw fixings on valve manifold
not leak-tight
Check screw fixing and seal if nec-
essary
Sealing time, sealing temperature
or cooling temperature not set
correctly
Set higher or lower
Teflon tapes on sealing bars dam-
aged or burned
Check Teflon tapes and replace if
necessary
Sealing wires not taut on sealing
bars
Check wire tension, and replace
wires if necessary
Application pressure of sealing
bars too high or too low
Check display on pressure regulator,
standard value is 4.5 bar, somewhat
lower for very thin bags
Faults in sealed seams
Various parameters in the service
program affect sealing quality
Check pressing time, bar lifting time
in Mask 156: Serviceparameter. In
case of set values deviating from the
standard values, please consult
VC999 Customer Service