DURKOPP ADLER 550-12-33 Operating Instructions Manual page 178

176
Code Type Possible causes
2471 Error • Watchdog
2472 Error Stepper motor
overvoltage:
• Stepper motor card
2473 Error U-axis stepper motor
over current error
2474 Error Software error
2475 Error Magnet wheel search • Check the connection
2477 Error Stepper motor
overload (I²T)
2478 Error Encoder error
2479 Error Current sensor:
• Stepper motor card
• Control defective
Operating Instructions 550-12-33/34 - 00.0 - 08/2017
defective
defective
Troubleshooting
Remedial action
• Switch off and on the
machine
• Perform a software update
• Contact Customer Service
• Replace control
• Check the connection
• Test stepper motor phases
(R = 2.8 Ω, high
impedance to PE)
• Replace encoder
• Replace step motor
• Replace control
• Perform reset
• Perform a software update
• Contact Customer Service
• Test stepper motor phases
(R = 2.8 Ω, high
impedance to PE)
• Replace encoder
• Replace step motor
• Replace control
• 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