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Troubleshooting
Operating Instructions 550-12-33/34 - 00.0 - 08/2017
Code Type
Possible causes
1010 Error
Sewing motor
synchronization error:
• External
1011 Error
Sewing motor
synchronization error
(Z pulse)
1012 Error
Sewing motor
synchronization error
1051 Error
Sewing motor
timeout:
• Cable to sewing
• Reference switch
1052 Error
Sewing motor
overcurrent:
• Sewing motor cable
• Sewing motor
• Control defective
1053 Error
Sewing motor
overvoltage
1054 Error
Internal short circuit
1055 Error
Sewing motor
overload (I²T):
• Sewing motor is
• Sewing motor
• Control defective
synchronizer plug
(Sub-D, 9-pin) not
connected
motor
Reference switch
defective
defective
defective
defective
sluggish or is
blocked
defective
Remedial action
• Connect plug of external
synchronizer to control,
use correct connection
(Sync)
• Replace the reference
switch or synchronizer
• Only required for
machines with
transmission!
• Switch off the control, use
handwheel to turn and
switch on the control again
• If error is not corrected,
check encoder
• Replace the synchronizer
• Replace cable
• Replace reference switch
• Replace sewing motor
cable
• Replace sewing motor
• Replace control
• Check the mains voltage
• Replace control
• Remove the cause of
the stiff movement or
blockage
• Replace sewing motor
• Replace control
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