Troubleshooting
Operating Instructions 967 - 02.0 - 11/2016 115
6364 No valid data on internal 
EEprom and no external 
EEprom connected 
(the internal data structures 
are not compatible with 
the external data storage 
device, emergency 
operating features only)
• Check machine 
ID connection
• Switch off the control, wait 
until the LEDs are off and 
then switch on the machine 
again
• Perform software update
6365 Internal EEprom defective • Replace the control
6366 Internal EEprom defective 
and external data not valid 
(emergency operating 
features only)
• Replace the control
6367 Internal EEprom defective 
and external EEprom not 
connected (emergency 
operating features only)
• Replace the control
7202 DACextension box boot 
error
• Check connection cables
• Perform software update
• Replace DACextension box
7203 Checksum error during 
update
• Check connection cables
• Perform software update
• Replace DACextension box
7212 DA stepper card 1 boot 
error
• Check connection cables
• Perform software update
• Replace DACextension box
7213 Checksum error occurred 
while updating DA stepper 
card 2
• Check connection cables
• Perform software update
• Replace DACextension box
Code Possible cause Remedial action