Troubleshooting
Operating Instructions M-TYPE DELTA - 01.0 - 08/2019 175
1120 Error Sewing motor Init fault • Perform a software update
• Check selection of class
1121 Error Sewing motor watchdog • Perform a software update
• Check selection of class
1203 Error Position not reached (during 
thread cutting, reversal, etc.)
• Check the controller settings and 
change them if necessary (e.g. thread 
trimmer setting, belt tension, etc.)
• Check position thread lever at top 
dead center
1302 Error Failure with sewing motor 
current
• Check Service Stop
• Check for stiff movement
• Replace encoder
• Replace motor
1330 Error No response from sewing 
motor
• Perform a software update
• Replace control
2101 Error Stepper motor X30 reference 
run timeout
• Check reference sensor
2105 Error Stepper motor card X30 
blockage
• Check for stiff movement
2121 Error Stepper motor card X30 
encoder plug (Sub-D, 9-pin) 
not connected
• Connect encoder cable to the control, 
use the correct interface
2122 Error Stepper motor card X30 
flywheel position not found
• Check stepper motor 1 for stiff 
movement
2130 Error Stepper motor card X30 not 
responding
• Perform a software update
• Replace control
2131 Error Stepper motor card X30 
parameter init
• Perform a software update
• Check selection of class
2152 Error Stepper motor card X30 
overcurrent
• Check for stiff movement
2171 Error Stepper motor card X30 
Watchdog (Stitch length)
• Perform a software update
• Check selection of class
2172 Error Stepper motor card X30 motor 
overload / overvoltage /
overcurrent (Stitch length)
• Check selection of class
• Replace control
• Replace encoder
• Replace stepper motor
Code Type Possible cause Remedial action