### MP-001 Bad command message syntax error

One of the following conditions has deemed the command message invalid:

1. The MP, DCC, or RCU could not understand a message it received from another component in the system.

2. On MP-30 system the required expansion ROM is bad or not installed correctly.

3. On MP-30 system the PH9 scan or probe changer options have been configured into the system, and the expansion ROMs are not on the MP CPU board.

What you should do

1. To clear the error, power the MP down.

2. Power the MP back up.

3. If the error reoccurs, call your Giddings & Lewis service representative.