
D 10
Alcatel - High Vacuum Technology - User’s Manual ADP/ADS
First level of maintenance
1/2
Edition 04 - May 98
Study the safety instructions related to maintenance
(See D 00).
When a problem occurs, the user is informed by :
- the relevant fault indicator light which goes on,
- the audible warning buzzer,
- the fault contacts on the REMOTE connector at the rear of
the monitoring system which close,
- the stopping of the pumping although the STOP command has not
been given,
- the display of fault message on the screen of the M3 monitoring
system,
- a message via the RS 232 or RS 485 link on a micro-computer.
Location of electrical
components
M1 Monitoring unit (Rear panel)
J
1
J
2
J
3
CB1
TR1
M3 Monitoring unit (Rear panel)
J
1
J
4
J
3
J
2
J
6
J
5
CB1
RT1
CB2
J5
RT1
TR1
CB2
ADS opened
CB1
: circuit breaker
CB2
: Ext* 24V circuit
breaker
RT
: ADP and Roots power
circuit breakers
TR1
: Int* transformer
Monitoring
ADS Unit
RT1
RT2
RT3
for ADS801/1001
CB1 CB2
* Int : internal