On an MP-35, the MP has not sent the DCC board new axis position coordinates in the last 32 milliseconds. The digital/analog (D/A) board failed.
On an SMP-400, the servo D/A's have not been updated for at least 8 milliseconds.
For more information, see "DCC Error Codes".
What you should do:
To clear the error, power the MP down.
Power the MP back up.
If the error reoccurs, contact your Giddings & Lewis service representative.