K5/K5N Vacuum Packaging Machine
Faults
2002-04-25
Art. no. 519.339 DE
Page 3 9/55
11.2
Other faults
Fault
Possible cause
How to rectify it
Program does not recognise
changes.
The program is protected.
Disable the program protection.
Faulty welded seam
The welding time has been
incorrectly set.
Change the welding time.
The welding bars are not
correctly installed.
Remove and clean the welding
bars and fit them correctly.
The Teflon strip on the welding
bars in faulty.
Replace the Teflon strip.
The silicone strip on the welding
cap pass is faulty.
Replace the silicon strip or use it
the other way round.
The packaging cycle does not
start when the vacuum chamber
is closed.
The electronics board is faulty.
Replace the electronics board.
The electromagnetic switch does
not work.
Check the switch spacing.
Replace the switch.
Packages are badly vacuumed.
The vacuum setpoint or
evaporation stage are incorrectly
set.
Check the settings in the
appropriate packaging program.
The machine does not weld or
separate.
Welding bars or cap pass are
not inserted.
Check / insert
Welding or cutting wire is
broken.
Replace the broken wire or send
the welding bars to the VC999
Customer Service Department.
The thermal relay in the welding
transformer has been triggered
off.
Switch off the machine, the
thermostat comes back on after
it has been left to cool down for
10-20 minutes.
General interruption in the
welding or cutting current circuit.
Call the VC999 Customer
Service Department.
The electronics board is faulty.
Replace the electronics board.
The machine does not respond
when the main I/0 switch is
turned on.
The main plug is not plugged in.
Insert the mains plug.
The mains automatic circuit
breaker in the controller has
been activated.
Turn the mains circuit breaker
back on by flicking the lever
switch.
The fine-wire fuses have melted. Replace the fine -wire fuses.
