Troubleshooting
Operating Instructions M-TYPE DELTA - 01.0 - 08/2019 183
2521 Error Stepper motor card X70
encoder plug (Sub-D, 9-pin)
not connected
• Connect encoder cable to the control,
use the correct interface
2522 Error Stepper motor card X70
flywheel position not found
• Check stepper motor 1 for stiff
movement
2530 Error Stepper motor card X70 not
responding
• Perform a software update
• Replace control
2531 Error Stepper motor card X70
parameter init error
• Perform a software update
• Check selection of class
2571 Error Stepper motor card X70
Watchdog (upper Puller)
• Perform a software update
• Check selection of class
2572 Error Stepper motor card X70 motor
overload / overvoltage /
overcurrent (upper Puller)
• Check selection of class
• Replace control
• Replace encoder
• Replace stepper motor
2573 Error Stepper motor card X70
Sewing motor encoder not
connected(upper Puller)
• Replace control
2574 Error Stepper motor card X70
Sewing motor encoder not init
(upper Puller)
• Perform a software update
• Check selection of class
2575 Error Stepper motor card X70 Init
Position not found
(upper Puller)
• Check for stiff movement
• Replace encoder
• Replace motor
2576 Error Stepper motor card X70 not
Enabled (upper Puller)
• Replace control
2577 Error Stepper motor card X70
Overload (upper Puller)
• Check for stiff movement
• Replace encoder
• Replace motor
2578 Error Stepper motor card X70
Encoder failure (upper Puller)
• Replace encoder
2579 Error Stepper motor card X70
Current sensor failure
(upper Puller)
• Replace control
Code Type Possible cause Remedial action
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