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Error code
3101
3102
3103
3104
3105
3106
3107
3108
3109
3150
3151
3155
3160
3170
3215
3216
142
Type
Possible cause
Error
High voltage fault, mains
voltage, longer duration
>290 V
Error
Low voltage failure
nd
(2
threshold) (mains
voltage < 150 V AC)
Information
Low voltage warning
st
(1
threshold) (mains
voltage < 180 V AC)
Warning
Pedal is not in position 0 • When switching the control on,
Error
U24 V short circuit
Error
U24 V (I²T) overload
Error
Pedal not connected
Information
Speed limited due to
insufficient mains voltage
Warning
Operation lock
Information
Maintenance necessary • Information on lubricating the
Warning
Maintenance necessary
(operation cannot continue
unless parameter
t 51 14 is reset, see the
operating instructions of
the machine)
Information
No release for sewing
process
Information
Stitch loosening device
Information
Poor signal of the
material thickness
sensor
Information
Bobbin stitch counter
(info value 0 reached)
Information
Remaining thread
monitor left
Troubleshooting
Remedial action
• Check mains voltage, if nominal
voltage is continuously
exceeded, stabilize it or use a
generator
Check mains voltage
- Stabilize mains voltage
• - Use generator
Check mains voltage
- Stabilize mains voltage
• - Use generator
take your foot off the pedal
Disconnect 37-pin plug; if error
persists, replace control
• - Test inputs/outputs for 24 V
short circuit
• One or more magnets defective
• Connect analog pedal
• Check mains voltage
• Check tilt sensor on machine
machine
• Service is urgently required
Parameter t 51 20 – t 51 33 = 25
• - Input signal for sewing
process release required
• Stitch loosening cannot be
performed
• Check the mechanical
positioning of the sensor
• Change bobbin, set counter
value - press counter reset
button
• Change the left bobbin
Service Instructions 195 - 00.0 - 12/2017
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