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Troubleshooting AMX
Error Number
Error 458
Error Code / System Message
458
Error Question
What should I check for error 458 on the AMX-4 Series?
Short Answer
Note: Could be with Error 320. 1) Check F93 fuse on Rotor Control Board. 2) Check Phase 1 & 2 signals from CPU Board at anode of CR53 and CR66. 3) Check wiring of TS2 on Battery Charger & Rotor Module Assembly panel AMX1A3. 4) Check plug location and lead orientation of all connections to Rotor Control Board. 5) Check black/white/green leads to tube stator from J4 of Rotor Control Board. 6) Check lead orientation to CR4 on AMX1A4 panel. 7) Check that R6 above autotransformer on AMX1A4 panel (older units) is not shorted to chassis ground. 8) Check plug wiring to J8 of Filament kVp Board. 9) Check for square wave at C6 on AMX1A4 panel. 10) Check Rotor Control Board. 11) Check for open rotor lead(s). 12) Check ribbon cable from Rotor Control Board to CPU Board, orderable part #46-302366P1.
Possible Causes
Note: (could be with Error 320) 1. F93 fuse blown on Rotor Control Board 2. Check for phase 1 & 2 signals coming from CPU Board at Anode of CR53 and CR66 3. Check for correct wiring of TS2 on Battery Charger & Rotor Module Assembly panel AMX1 A3 4. Check for correct plug location and lead orientation of all connections to the Rotor Control Board 5. Check for correct wiring of black/white/green leads to X-Ray Tube stator from J4 of Rotor Control Board 6. Check for correct lead orientation to CR4 on AMX1 A4 panel 7. Check that R6 above autotransformer on AMX1 A4 panel (Older Units) is not shorted to chassis ground 8. Check for correct wiring of plug to J8 Of Filament kVp Board 9. Check for Square Wave At C6 On AMX1A4 Panel 10. Defective Rotor Control Board 11. Open Rotor Lead(s) 12. Bad Ribbon Cable to CPU Board from Rotor Control Board (Ribbon Cable orderable Part # 46-302366P1) 13. Check cable leads tightness associated with components AMX1A3C2 and AMX1A3R3
Troubleshooting Steps
Note: (could be with Error 320) 1. F93 fuse blown on Rotor Control Board 2. Check for phase 1 & 2 signals coming from CPU Board at Anode of CR53 and CR66 3. Check for correct wiring of TS2 on Battery Charger & Rotor Module Assembly panel AMX1 A3 4. Check for correct plug location and lead orientation of all connections to the Rotor Control Board 5. Check for correct wiring of black/white/green leads to X-Ray Tube stator from J4 of Rotor Control Board 6. Check for correct lead orientation to CR4 on AMX1 A4 panel 7. Check that R6 above autotransformer on AMX1 A4 panel (Older Units) is not shorted to chassis ground 8. Check for correct wiring of plug to J8 Of Filament kVp Board 9. Check for Square Wave At C6 On AMX1A4 Panel 10. Defective Rotor Control Board 11. Open Rotor Lead(s) 12. Bad Ribbon Cable to CPU Board from Rotor Control Board (Ribbon Cable orderable Part # 46-302366P1) 13. Check cable leads tightness associated with components AMX1A3C2 and AMX1A3R3
Parts Areas to Check
CPU Board; Rotor Control Board; Filament kVp Board; X-Ray Tube; Battery; Stator; Rotor
For Related Models
AMX-4, AMX-4+, Definium AMX 700
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