
Alcatel - High Vacuum Technology -User’s Manual ADP/ADS
6/9
Edition 04 - May 98
D 50
NO
See D 80
Exhaust pressure
P = 500 mbar
See D 80
500 mbar < P < Pres. threshold
NO
See D 80
Flowmeter bad set
See D 80
No nitrogen
Alert or alarm “Purge N2“
Alert and alarm are swit-
ched on according to the
delays programmed in M3
configuration
Without flow purge
sensor option
With flow purge
sensor option
The pump is running and then is
showing an alert or alarm message
(followed by the pump stopping)
I
NCIDENT
C
AUSE
T
ROUBLESHOOTING