DURKOPP ADLER 550-12-33 Operating Instructions Manual page 169

Troubleshooting
Operating Instructions 550-12-33/34 - 00.0 - 08/2017
Code Type Possible causes
2177 Error Stepper motor
overload (I²T)
2178 Error Encoder error
2179 Error Current sensor:
• Stepper motor card
• Control defective
2180 Error Direction of rotation
2181 Error Error in the reference
run
2182 Error Stepper motor
current error
2183 Error Stepper motor
overcurrent
2184 Error Software error
2185 Error Stepper motor
insulation error
defective
Remedial action
• Remove the cause of the
stiff movement or
blockage
• Replace step motor
• Replace control
• Check the connection of
the encoder cable and
replace, if necessary
• Replace control
• Replace control
• Replace encoder
• Check plug assignment
and change, if necessary
• Check wiring in machine
distributor and change it,
if necessary
• Test stepper motor phases
and check for correct
value
• Replace reference switch
• Remove blockage
• Check the encoder cable
and replace, if necessary
• Replace step motor
• Replace sewing motor
cable
• Replace step motor
• Replace control
• Perform reset
• Perform a software update
• Contact Customer Service
• Check motor phase and
PE for low-impedance
connection
• Replace encoder
• Replace step motor
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