CSPN Capacitor Charging Unit Operation Manual
CSP-CSPN-8000/1
__________________________________________________________________________________________________________
__________________________________________________________________________________________________________
Page
34
of
63
2.4. CSP-N Basic Fault Diagnosis
Unit Dead
First check the integrity of the mains supply fuse and the mains supply itself, if the fuse itself has
blown try the following components:
Mains Circuit Breaker?
Input Mains Filter?
Damage to the input power wiring?
Unit Fans Operate, but no front Panel indicators
Check fuse 1 on the rear panel, (this is the supply fuse to the internal 12V PSU), if O.K try the
following:
Internal wiring to the 12V PSU
Replace the 12V PSU
12V PSU O.K., but still no front panel indicators
Ensure that LED 3 on Control Board is illuminated, if not, suspect the following:
Wiring between 12V PSU and the control board
If LED 3 is illuminated
Replace Control Board
Replace Front Panel Board
Check interconnect wiring between these sub-assemblies
Fans Do Not Operate
Check integrity of Fuse 2 on rear panel, if O.K.:
Check Mains Wiring To Fans
Check Wiring to Relay Board
Fans Operate, But Pronounced Delay between Power up and Front Panel Illumination
Replace 12V PSU
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 nay be
reported.
Also:
Check Interlock switch within power cable junction box
Replace Interlock Relay
Replace Relay Board
Replace Control Board
Check ancillary wiring
Summary of Contents for CSP-N 1200
Page 1: ...CSPN Capacitor Charging Unit Operation Manual ...
Page 63: ......