Dürkopp Adler 755 B Operating Instructions Manual page 336

Error code Symbol
Error code 2000-2999: Error messages motors
2101
2102
2103
2121
2122
2130
2152
2153
2155
2156
2201
334
Meaning
Stepper motor transport clamp
timeout reference
• Faulty cable to the reference
switch
• Reference switch defective
Stepper motor transport clamp
overload
• Blocked/sluggish, defective
• Control defective
Stepper motor transport
• Stepper motor transport clamp
(transport clamp) has step loss
Transport clamp stepper motor:
• Encoder plug (Sub-D, 9-pin)
not connected or defective
• Encoder defective
Pulse wheel search time out
Transport clamp stepper motor
not responding:
Stepper motor card defective
Stepper motor transport clamp
excess current
Stepper motor transport clamp
excess voltage
Stepper motor transport clamp
overload
• Blocked/sluggish
• Defective
• Control defective
Stepper motor transport clamp
overheat
• Stepper motor transport clamp
seized up
• Faulty stepper motor transport
clamp
• Control defective
Stepper motor middle knife time-
out reference
• Faulty cable to the reference
switch
• Reference switch defective
Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021
Troubleshooting
Remedial action
• Replace cable
• Replace reference switch
• Fix blockage
• Check encoder cable and replace,
if necessary
• Replace stepper motor
Check seizing of the transport clamp
• Check the encoder cable connec-
tion and replace encoder cable, if
necessary
• Check connection cables
• Check stepper motor for stiff
movement
• Perform software update
 p. 285
• Replace stepper motor card
• Replace control
• Replace transport clamp stepper
motor
• Replace control
Check mains voltage
• Eliminate seizing/stiff movement
• Replace stepper motor
• Replace control
• Eliminate seizing
• Replace transport clamp stepper
motor
• Replace control
• Replace cable
• Replace reference switch