top of page
Troubleshooting AMX
Error Number
Error 439
Error Code / System Message
ERROR 439 - X-RAY ON missing when start command issued
Error Question
What does ERROR 439 mean on a GE AMX-Series mobile X-ray?
Short Answer
ERROR 439: X-RAY ON missing when start command issued.
Possible Causes
X-RAY ON did not assert when the start/expose command was issued.
Troubleshooting Steps
Check start command, inverter start, HV output and X-RAY ON status path.
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
bottom of page