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Troubleshooting AMX
Error Number
BDM mismatch screen
Error Code / System Message
Error Question
What should I do when an XR200amx or XR220amx displays a BDM Mismatch screen?
Short Answer
On a normally operating system where no parts were changed, the Exclusive manual instructs the technician to select RESTORE.
Possible Causes
Board Data Module fingerprint or firmware mismatch detected at power-up.
Troubleshooting Steps
First confirm whether any intelligent board was replaced. If no parts were changed, select RESTORE. If a board was replaced, follow the replacement finalization instructions for the correct Restore/Cancel choice.
Parts Areas to Check
For Related Models
Optima XR200amx, Optima XR220amx
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