Troubleshooting
464 Service Instructions 755 A/756 A - 00.0 - 02/2019
7406 Failure in corner knife slanted
CAN-Module: wrong module at
address
Check jumpers/DIP switch
7407 Failure in corner knife angle
seam begin CAN-Module: wrong
module at address
Check jumpers/DIP switch
7408 Failure in corner knife angle
seam end CAN-Module: wrong
module at address
Check jumpers/DIP switch
7409 Failure in outfeed roller/tape
feeder CAN-Module: wrong
module at address
Check jumpers/DIP switch
7410 Failure in laser CAN-Module:
wrong module at address
Check jumpers/DIP switch
7500 General error CAN modules • Check set class
• Check working method
• Check cable
7503, 7504 Error I/O module not present • Check cable
• Check jumpers
• Check voltage supply
7505 Failure in CAN - Module bobbin
thread monitor
• Check cable
• Check jumpers
• Check voltage supply
7506 Step motor card error at corner
knife
• Slanted seam beginning/seam
end not present
• Check cable
• Check jumpers
• Check voltage supply
7507 Step motor card error at corner
knife
• Angle seam beginning not
present
• Check cable
• Check jumpers
• Check voltage supply
7508 Step motor card error at corner
knife
• Angle seam end not present
• Check cable
• Check jumpers
• Check voltage supply
7509 Step motor card error
• Outfeed roller/tape feeder not
present
• Check cable
• Check jumpers
• Check voltage supply
7510 Step motor card error
• Laser lengthwise/crosswise not
present
• Check cable
• Check jumpers
• Check voltage supply
7551-7555 Control panel interface communi-
cation: internal error
• Switch off and on the machine
again
• Perform software update
 p. 431
• Inform Dürkopp Adler Customer
Service
Error code Symbol Meaning Remedial action