CSPP Capacitor Charging Unit Operation Manual
CSP-CSPP-8000/2
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Page
35
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59
Unit Powers Up Normally, Fault Lamps do not go out on pressing Reset
Ensure Interlock screw is present in top panel and is correctly operating the Interlock switch. A
distinct audible CLICK may be heard when switch is activated/de-activated. Also check the
interlock switch within the Transducer connector.
Wait 10sec for load fault to self reset depending upon logic state upon power up fault may be
reported.
Also:
Check Interlock switch within power cable junction box
Replace Interlock Relay
Replace Relay Board
Replace Control Board
Check ancillary wiring
Unit Resets As Normal, HV Will Not Select
Check position of Remote/Local switch. Also:
Replace Control Board
Replace Front Panel Board
Replace Front Panel Power Selection Switch
HV Relays Operate but no EOC Lamp
Suspect HV Charger or HV BNC charger cable. Also:
Charger Power Switching Relay
Control Board
Output Thyristor
Storage Capacitors
HV Diodes
Auto Power Control Board
EOC Lamp Illuminates, but unit Will Not Discharge
Check for presence of Input Key Pulse and position of Key select switch. Is key Lamp Illuminating
in unison with Input Key pulse?, if not suspect Input Key Board. Also:
Control Board
If LED2 on Control Board is Illuminating In Conjunction with Input Key, but unit still
not discharging no load fault reported
Check Thyristor Interface board and thyristor.
Check cabling to Thyristor interface board and thyristor.
