DURKOPP ADLER 756 A

Troubleshooting
454 Service Instructions 755 A/756 A - 00.0 - 02/2019
Error code 2000-2999: Error messages motors
2101 Step motor transport clamp
timeout reference
• Cable to reference switch
defective
• Reference switch defective
• Replace cable
• Replace reference switch
2102 Step motor transport clamp
overload
• blocked/sluggish, defective
• Control defective
• Fix blockage
• Check encoder cable and replace,
if necessary
• Replace step motor
2103 Step motor transport
• Step motor transport clamp
(transport clamp) has step loss
Check seizing of the transport clamp
2121 Transport clamp step motor:
• Encoder plug (Sub-D, 9-pin)
not connected or defective
• Encoder defective
• Check the encoder cable
connection and replace encoder
cable, if necessary
2122 Pulse wheel search time out • Check connection cables
• Check step motor for stiff
movement
2130 Transport clamp step motor not
responding
Step motor card defective
• Perform software update
 p. 431
• Replace step motor card
• Replace control
2152 Step motor transport clamp
excess current
• Replace transport clamp step
motor
• Replace control
2153 Step motor transport clamp
excess voltage
Check mains voltage
2155 Step motor transport clamp
overload
• defective/seized up
• defective
• Control defective
• Eliminate seizing/stiff movement
• Replace step motor
• Replace control
2156 Step motor transport clamp
overheat
• Step motor transport clamp
seized up
• Faulty step motor transport
clamp
• Control defective
• Eliminate seizing
• Replace transport clamp step
motor
• Replace control
Error code Symbol Meaning Remedial action