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E)
7. Trouble shooting guide
Fault
Vacuumlid does not
open
E - 01
Vacuum set value not
reached
E - 20
Gas flush set value not
reached
E - 21
VC999 K4/K4N
Cause
Vacuum lid is locked
Chamber is not ventilated after
switching on.
Products start to evaporates under
vacuum
Lid does not close properly
Leakage in vacuum circuit
Moisture in vacuum chamber
Check oil level of vacuum pump
Oil foamy
Stop-cock of gas bottle not opened
sufficiently
Gas bottle empty
Gas valve is blocked or defect
Remedy
release turn bar
Please wait until chamber is
ventilated
Switch machine off and on
Change the vacuum setting to steam
point detection. Lower steam point
sesitivity. See chapter 6.
Check and clean chamber gasket, to
be replaced if damaged.
Leak search and seal off or call
VC999 customer service.
Take off filling plates, clean and dry
base of machine incl. filling plates..
Refill oil
Change oil
Open stop-cock
Change gas bottle
Clean valve or replace it
Remarke:
If gas flush valvue 999 is chosen,
gas flush is inactive.
19
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