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Troubleshooting AMX
Error Number
Error 437
Error Code / System Message
ERROR 437 - Back-up timer OK missing during pre-exposure check
Error Question
What does ERROR 437 mean on a GE AMX-Series mobile X-ray?
Short Answer
ERROR 437: Back-up timer OK missing during pre-exposure check.
Possible Causes
Backup-timer OK status was not present during prep.
Troubleshooting Steps
Check backup timer/status signal and CPU critical-status input.
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
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