Dürkopp Adler 868-M, Operating Instructions Manual

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Troubleshooting
Operating Instructions 868-M - 01.0 - 12/2020 139
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 warning
(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 t 51 20 - t 51 33
= 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
Information Possible cause Remedial action