Troubleshooting
130 Service Instructions 867 - 04.0 - 10/2019
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
• 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 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
3108 Speed limited due to
insufficient mains voltage
• Check 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
6360 No valid data on external
EEprom (internal data
structures are not
compatible with the external
data storage device)
• Software update
6361 No external EEprom
connected
• Connect machine ID
Code Type Remedial action
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