Troubleshooting
Operating Instructions 867 - 04.0 - 03/2018 139
2220 DA stepper card 2 not
responding
• Check connection cables
• Check LEDs of
DACextension box
• Software update
2221 DA stepper card 2 encoder
plug (Sub-D, 9-pin) not
connected
• Connect encoder cable to
the control, use correct
output
2222 DA stepper card 2 flywheel
position not found
• Check connection cables
• Check stepper motor 2 for
stiff movement
3103 Low voltage failure
(1
st
threshold)
Mains voltage < 180 V AC
• Check the mains voltage
• Stabilize the mains voltage
• Use generator
3108 Speed limited due to
insufficient mains voltage
• Check the mains voltage
3150 Maintenance necessary • Information on lubricating
the machine Service
Instructions
3155 No release for sewing
process
• Parameter t5120-t5133 =
25
• Input signal for sewing
process release required
3160 Stitch loosening device • Stitch loosening cannot be
performed
3215 Bobbin stitch counter
(info value 0 reached)
• Change bobbin, set counter
value
• Press counter reset button
3216 Remaining thread monitor left • Change the left bobbin
3217 Remaining thread monitor
right
• Change the right bobbin
3218 Remaining thread monitor left
and right
• Change the left and right
bobbin
3223 Skip stitch detected
3224 Bobbin failed to rotate
Code Possible cause Remedial action