Ishikawa Diagram #3: No Beam After Hv And Gun Are Switched On; Ishikawa Diagram #4: Hv Output Unstable - ferrotec Temescal CV-6SLX User Manual

5.3 Ishikawa Diagrams

Ishikawa Diagram #3: No Beam After HV and Gun Are Switched ON

Emitter
Filament failure
Emitter incorrectly assembled
Nominal value setpoint input
from external input or gun
controller not correct
Interface/
External control
Improper grounding
Incorrect feedback
communication between
A5 HV Output PCB and
A3 HV Regulator PCB
Defective A5
HV Output PCB
Power Supply
CV-6SLX User Manual
Possible Causes
Loose or faulty connections in emitter assembly,
feedthrough, or interconnection path
Loose or faulty connections
HV relay defective

Ishikawa Diagram #4: HV Output Unstable

Possible Causes
Mains
Mains fluctuating
Problem with HV path, loose
connection, shorting
HV output cable defective/
not connected
HV not present at emitter
FPS
FPS
5-8
Section 5: Troubleshooting
Consequence
HV and gun switched ON
but no beam is emitted
(see Table 6-8)
Filament bias setpoint
not present
Consequence
HV output unstable
(see Table 6-9)
HV relay defective
0101-8242-0, Rev. C
5-8)
5-9)