Troubleshooting
Operating Instructions 581 - 01.0 - 05/2016162
10.2.2 Error messages
If an error occurs, the   symbol appears on the display, 
followed by a 4-digit number combination.
Error Meaning Possible cause Remedial action
1000 Sewing motor fault • Encoder plug (Sub-D, 9-pin) 
no
t connected or defective
• Encoder defective
• Check the connection of the 
encoder cable and replace, if 
necessary
1001 Sewing motor fault • Sewing motor plug not 
con
nected or defective
• Check the connection of the 
sewing motor cable
• Test sewing motor phases 
(R = 2.8 Ω, high
 impedance 
to PE)
• Replace the encoder
• Replace the sewing motor
• Replace the control
1002 Sewing motor 
in
sulation error
• Check motor phase and PE 
for low-impedance 
connection
• Replace the encoder
• Replace the sewing motor
1004 Sewing motor fault • Incorrect direction of 
ro
tation
• Replace the encoder
• Check plug assignment and 
ch
ange, if necessary
• Check wiring in machine 
d
istributor and change it, if 
necessary
• Test motor phases and 
check for cor
rect value
1005 Sewing motor current 
fee
d fault
• Sewing motor blocked
• Encoder cable not 
con
nected or defective
• Encoder defective
• Remove the blockage
• Check the encoder cable 
an
d replace, if necessary
• Replace the sewing motor