ASP STERRAD 100, Service Manual, Page: 79 / 309

VACUUM SYSTEM INTERRUPTED. NO MORE
CYCLES CAN RUN.
Vacuum system interrupted. Call ASP Technical Service.
Problem/Condition
The chamber is still at atmospheric pressure after the first 30 seconds of
vacuum.
Action
F
Test the vacuum system
F
Check power for proper CBA phase rotation.
F
Test the vacuum switch
F
Perform vacuum/RF test.
Valve Open Time-Out
Problem/Condition
The throttle valve has failed to open during pump-down.
Action
F
Check throttle valve connection.
F
Replace the digital I/O board.
F
Replace the throttle valve.
Valve Closed Time-Out
Problem/Condition
The throttle valve has failed to close before injection.
Action
F
Check throttle valve connection.
F
Replace the digital I/O board.
F
Replace the throttle valve.
System Messages Using System Messages
3-40 STERRAD® 100 Sterilizer ASP Service Guide rev D