Troubleshooting
110 Service Instructions 827/827-M - 01.0 - 05/2019
2121 DA stepper card 1 encoder plug
(Sub-D, 9-pin) not connected
• Connect encoder cable to the
control, use correct connection
2122 DA stepper card 1 rotor position not
found
• Check connection cables
• Check stepper motor 1 for stiff
movement
2220 DA stepper card 2 not responding • Check connection cables
• Check LEDs of DACextension box
• Perform a software update
2221 DA stepper card 2 encoder plug
(Sub-D, 9-pin) not connected
• Connect encoder cable to the
control, use correct connection
2222 DA stepper card 2 rotor 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 mains voltage
• Stabilize the mains voltage
• Use generator
3104 Pedal is not in position 0 • When switching the control on, take
your foot off the pedal
3108 Speed limited due to insufficient
mains voltage
• Check mains voltage
3109 Operation lock • Check tilt sensor on machine
3150 Maintenance necessary • Information on lubricating the
machine
3151 Maintenance necessary (operation
cannot continue unless parameter
t5114 is reset)
• Service is urgently required
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 left and right bobbin
3223 Skip stitch detected
3224 Bobbin failed to rotate
6360 No valid data on external EEprom
(internal data structures are not
compatible with the external data
storage device)
• Perform a software update
Code Possible cause Remedial action
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