Troubleshooting
Operating Instructions 581 - 01.0 - 05/2016 169
6400
–
6999
Driver error • Internal error • Switch the machine off and 
o
n again
• Perform software update
• Contact Customer Service
7551
–
7559
Communication with 
the
 control panel 
interface
• Internal error
• Cable disturbance
• Cable to the control panel 
interface is 
faulty
• Switch the machine off and 
o
n again
• Eliminate source of 
dist
urbance
• Perform software update
• Replace the cable
• Contact customer service
7651
–
7659
Communication with 
the
 control panel 
interface
• Internal error
• Cable disturbance
• Cable to the control panel 
interface is 
faulty
• Switch the machine off and 
o
n again
• Eliminate source of 
dist
urbance
• Perform software update
• Replace the cable
• Contact Customer Service
8151
–
8161
IDMA error • Internal error
•Disturbance
• Control defective
• Switch the machine off and 
o
n again
• Perform software update
• Replace the control
• Contact Customer Service
Error Meaning Possible cause Remedial action