Ishikawa Diagram #15: Filament Load Fault; Ishikawa Diagram #16: Simultaneous Filament Load Fault + Filament Power Fault - ferrotec Temescal CV-12SLX User Manual

5.3 Ishikawa Diagrams
Emitter Assembly
Broken/damaged filament
A5 Interface PCB defective
Power Supply

Ishikawa Diagram #16: Simultaneous Filament Load Fault + Filament Power Fault

Cables
No connection between
HVPS J5 and FPS J102
A5 Interface PCB defective
Power Supply
CV-12SLX User Manual

Ishikawa Diagram #15: Filament Load Fault

Possible Causes
Dirty/damaged
emitter assembly
HV feedthrough
damaged or coated
Incorrect filament status signal from
FPS. +24 VDC from J102 Pin 6
FPS/Cables
Possible Causes
HVPS to FPS interface
cable defective
HVPS J2 to AC power cable defective
or incorrrectly connected
FPS power switch in OFF
position
Fuses F1/F2 blown
FPS/Cables
5-14
Section 5: Troubleshooting
Consequence
Cable not connected between
J102 on FPS and J5 on HVPS
Consequence
Filament Load Fault and
Filament Power LEDs
both light red (see
Tables 6-22 and 6-23)
Fuses F1/F2 on AC input J104
switch blown
Filament Load Fault
LED lights red
(see Table 6-22)
0101-8292-0, Rev. C