Troubleshooting
Service Instructions 745-35-10 S/745-35-10 A - 02.0 - 04/2017 325
9900 Defective machine parameters 
(Checksum error)
• Initialize machine parameters 
again
• Set machine parameters
9901 Defective pocket sequence 
(checksum error)
• Initialize pocket sequences again
• Set pocket sequences
9902 Defective pocket programs 
(Checksum error)
• Initialize pocket programs again
• Set pocket programs
9999 Machine configuration has been 
changed
Switch off and on the machine again
Error code Symbol Meaning Remedial action