User manual

29 User manual
DESCRIPTION OF THE ALARMS (continue)
N° Description Action
Vacuum pump
A31
During a vacuum phase, the maximum achieved
vacuum is not lower than – 0.20 bar.
Clean and check the door seal (§ 7.2.), repeat the
cycle. If the problem persists
℡
service.
A32
During a vacuum phase, the maximum achieved
vacuum is not lower than – 0.50 bar.
Clean and check the door seal (§ 7.2.), repeat the
cycle. If the problem persists
℡
service.
A33
The global vacuum level obtained after 5 pulses is
not sufficient. The calculated additional 6th pulse is
impossible to obtain (outside limits).
Clean and check the door seal (§ 7.2.), repeat the
cycle. If the problem persists
℡
service.
A34
The last 10 cycles have required a 6th additional
vacuum pulse.
Sterilization is guaranteed because the additional
6th pulse ensures the global vacuum level has been
obtained,
℡
service for control.
Door locking
A52
1) The door locking system is blocked during
opening and closing phases.
2) The door locking switch is open during the
cycle.
℡
service
Electro-valves
A63
The pressure does not exceed – 0.70 bar,
2 minutes after the end of a vacuum phase.
℡
service