Section 5: Troubleshooting
5.3 Ishikawa Diagrams
0101-8242-0, Rev. C
5-13
CV-6SLX User Manual
Ishikawa Diagram #13: Aux Power Supply Low Fault
Ishikawa Diagram #14: External Control Fault
Mains
Power Supply
T2 AC transformer
faulty
PS1 (+24 VDC power
supply) defective
F1/F2 on A1 HV
Inverter PCB blown
Consequence
Possible Causes
Aux Power Supply Low
LED lights red
(see Table 6-20)
A3 HV Regulator
PCB defective
HV Inverter PCB defective
Consequence
Possible Causes
Power Supply
Power Supply
A3 HV Regulator PCB
defective
T2 AC transformer faulty
External Control Fault
LED lights red
(see Table 6-21)
Fuses F1/F2 on A1 HV
Inverter PCB blown
Self-resetting fuse F1 on A3
HV Regulator PCB blown
PS1 (+24 VDC power
supply) faulty
5-21)
5-20
)