Ishikawa Diagram #9: Hv Overvoltage Fault; Ishikawa Diagram #10: Setpoint Overvoltage Fault - ferrotec Temescal CV-12SLX User Manual

Section 5: Troubleshooting
HV relay defective
Defective feedback interconnection
cable from A2 HV Output PCB to A3
HV Regulator PCB
Defective HV
Output PCB
Power Supply
Incorrect nominal request
voltage. 1V = 1kV
HV setpoint
above 10.5 kV
Power Supply
0101-8292-0, Rev. C

Ishikawa Diagram #9: HV Overvoltage Fault

Possible Causes
FPS
HV relay control voltage missing.
J103 pin 6 = +24 VDC
Loose cables to FPS
Improper grounding

Ishikawa Diagram #10: Setpoint Overvoltage Fault

Possible Causes
Interface
R7 on A3 HV Regulator
PCB misadjusted
Other
Loose cables
Fluctuating line voltage
Mains
5-11
5.3 Ishikawa Diagrams
Consequence
Emitter damaged
HV Overvoltage LED
lights red
(see Table 6-14)
Incorrect mains input voltage
or phase missing
Consequence
Setpoint Overvoltage LED
lights red (see Table 6-15)
CV-12SLX User Manual