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Troubleshooting
Operating Instructions 827/827-M - 01.0 - 02/2019
Code
Possible cause
2221
DA stepper card 2 encoder
plug (Sub-D, 9-pin) not
connected
2222
DA stepper card 2 flywheel
position not found
3103
Low voltage warning
(1st threshold) (mains
voltage < 180 V AC)
3104
Pedal is not in position 0
3108
Speed limited due to
insufficient mains voltage
3109
Operation lock
3150
Maintenance necessary
3151
Maintenance necessary
(operation cannot continue
unless parameter t 51 14
is reset)
3155
No release for sewing
process
3160
Stitch loosening device,
stitch loosening cannot be
performed
3215
Bobbin stitch counter
(info value 0 reached)
3216
Remaining thread monitor
left
3217
Remaining thread monitor
right
Remedial action
• Connect encoder cable to the
control, use correct connection
• Check connection cables
• Check stepper motor 2 for stiff
movement
• Check the mains voltage
• Stabilize the mains voltage
• Use generator
• When switching the control on,
take your foot off the pedal
• Check the mains voltage
• Check tilt sensor on machine
• Information on lubricating the
machine
• Service is urgently required
• Parameter t 51 20 -
t 51 33 = 25
• Input signal for sewing process
release required
• Change bobbin, set counter
value, press counter reset
button
• Change the left bobbin
• Change the right bobbin
93
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