Troubleshooting464 Service Instructions 755 A/756 A - 00.0 - 02/20197406 Failure in corner knife slantedCAN-Module: wrong module ataddressCheck jumpers/DIP switch7407 Failure in corner knife angleseam begin CAN-Module: wrongmodule at addressCheck jumpers/DIP switch7408 Failure in corner knife angleseam end CAN-Module: wrongmodule at addressCheck jumpers/DIP switch7409 Failure in outfeed roller/tapefeeder CAN-Module: wrongmodule at addressCheck jumpers/DIP switch7410 Failure in laser CAN-Module:wrong module at addressCheck jumpers/DIP switch7500 General error CAN modules • Check set class• Check working method• Check cable7503, 7504 Error I/O module not present • Check cable• Check jumpers• Check voltage supply7505 Failure in CAN - Module bobbinthread monitor• Check cable• Check jumpers• Check voltage supply7506 Step motor card error at cornerknife• Slanted seam beginning/seamend not present• Check cable• Check jumpers• Check voltage supply7507 Step motor card error at cornerknife• Angle seam beginning notpresent• Check cable• Check jumpers• Check voltage supply7508 Step motor card error at cornerknife• Angle seam end not present• Check cable• Check jumpers• Check voltage supply7509 Step motor card error• Outfeed roller/tape feeder notpresent• Check cable• Check jumpers• Check voltage supply7510 Step motor card error• Laser lengthwise/crosswise notpresent• Check cable• Check jumpers• Check voltage supply7551-7555 Control panel interface communi-cation: internal error• Switch off and on the machineagain• Perform software update p. 431• Inform Dürkopp Adler CustomerServiceError code Symbol Meaning Remedial action