AMX Troubleshooting & Technical Support

Results Count

Error Number

Error 447

Error Code System Message

ERROR 447 - 60 Hz inverter ON signal missing

ERROR 447, 60 Hz inverter ON signal missing, AMX-4 ERROR 447, AMX-4+ ERROR 447, Definium AMX 700 ERROR 447, GE AMX error ERROR 447

Question

What does ERROR 447 mean on a GE AMX-Series mobile X-ray?

Short Answer

ERROR 447: 60 Hz inverter ON signal missing.

Possible Causes

The 60 Hz inverter ON signal did not assert when expected.

Troubleshooting Steps

Check inverter ON/relay signal path and generator control.

Parts Areas to Check

Generator control board; CPU board; inverter/rotor/filament/tap/HV subsystem indicated by the fault

For Related Models

AMX-4, AMX-4+, Definium AMX 700

Error Number

Error 448

Error Code System Message

ERROR 448 - Rotor interlock feedback missing after 60 Hz inverter start

ERROR 448, Rotor interlock feedback missing after 60 Hz inverter start, AMX-4 ERROR 448, AMX-4+ ERROR 448, Definium AMX 700 ERROR 448, GE AMX error ERROR 448

Question

What does ERROR 448 mean on a GE AMX-Series mobile X-ray?

Short Answer

ERROR 448: Rotor interlock feedback missing after 60 Hz inverter start.

Possible Causes

Rotor interlock did not assert in the expected sequence.

Troubleshooting Steps

Check rotor interlock signal, relays and generator-controller timing.

Parts Areas to Check

Generator control board; CPU board; inverter/rotor/filament/tap/HV subsystem indicated by the fault

For Related Models

AMX-4, AMX-4+, Definium AMX 700

Error Number

Error 449

Error Code System Message

ERROR 449 - kVp command feedback low

ERROR 449, kVp command feedback low, AMX-4 ERROR 449, AMX-4+ ERROR 449, Definium AMX 700 ERROR 449, GE AMX error ERROR 449

Question

What does ERROR 449 mean on a GE AMX-Series mobile X-ray?

Short Answer

ERROR 449: kVp command feedback low.

Possible Causes

kVp command feedback was lower than commanded.

Troubleshooting Steps

Check filament/kVp feedback, CPU-generator connection and generator-control output.

Parts Areas to Check

Generator control board; CPU board; inverter/rotor/filament/tap/HV subsystem indicated by the fault

For Related Models

AMX-4, AMX-4+, Definium AMX 700

Error Number

Error 45

Error Code System Message

ERROR 45 - Battery voltage low during prep

ERROR 45, Battery voltage low during prep, AMX-4 ERROR 45, AMX-4+ ERROR 45, Definium AMX 700 ERROR 45, GE AMX error ERROR 45

Question

What does ERROR 45 mean on a GE AMX-Series mobile X-ray?

Short Answer

ERROR 45: Battery voltage low during prep.

Possible Causes

Battery voltage was lower than expected during prep.

Troubleshooting Steps

Recharge/evaluate battery set and verify battery-voltage calibration.

Parts Areas to Check

Battery set; charger board; CPU board; voltage/current feedback wiring

For Related Models

AMX-4, AMX-4+, Definium AMX 700

Error Number

Error 450

Error Code System Message

450

AMX-4, AMX-4+, Definium AMX 700, ERROR 450, Error 450

Question

What should I check for error 450 on the AMX-4 Series?

Short Answer

1. Check wiring to X-Ray Tube Assembly pressure switch (switch should be closed). If switch closure rings back to J3-6 & 7 of CPU Board, then problem on CPU Board

Possible Causes

1) Check wiring to X-Ray Tube Assembly pressure switch (switch should be closed). If switch closure rings back to J3-6 & 7 of CPU Board, then problem on CPU Board, 2) Bad X-Ray Tube

Troubleshooting Steps

1. Check wiring to X-Ray Tube Assembly pressure switch (switch should be closed). If switch closure rings back to J3-6 & 7 of CPU Board, then problem on CPU Board

Parts Areas to Check

CPU Board; X-Ray Tube