Troubleshooting
Service Instructions 755 A/756 A - 00.0 - 02/2019 457
2601 Reference time out step motor
transport clamp adjustment right
• Eliminate blockage or seizing
• Replace step motor, check
reference switch
• Adjust transport clamp  p. 360
2605 Error step motor transport clamp
adjustment right
• Eliminate blockage or seizing
• Adjust transport clamp  p. 360
2606 Error step motor transport clamp
adjustment right at mechanical
stop
• Adjust stop
• Change correction values
2622 Step motor transport clamp left
pulse-wheel search time out
• Check connection cables motor /
encoder
• Check step motor for stiff
movement
2630 Step motor quick clamp adjust-
ment right not responding: Step
motor card defective
• Perform software update
 p. 431
• Replace step motor card
• Replace control
2901 Referencing timeout
Error code 3000-3999: Error messages machine
3010 Control: 100V voltage error • Check connections
• Replace control
3011 Control: 100V voltage error • Check connections
• Replace control
3012 Control: Voltage error 100V (I2T) • Switch off and on the machine
again
• Check connections
• Replace control
3020 Short circuit at input or output
24V
• Check connections
• Replace control
3021 Short circuit at input or output
24V
• Check connections
• Replace control
3022 Control: Voltage error 24V (I2T) • Switch off and on the machine
again
• Check connections
• Replace control
Error code Symbol Meaning Remedial action
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