DURKOPP ADLER 550-12-33 Operating Instructions Manual page 175

Troubleshooting
Operating Instructions 550-12-33/34 - 00.0 - 08/2017
Code Type Possible causes
2373 Error Z-axis stepper motor
error
2374 Error Software error
2375 Error Magnet wheel search • Check the connection
2377 Error Stepper motor
overload (I²T)
2378 Error Encoder error
2379 Error Current sensor:
• Stepper motor card
• Control defective
2380 Error Direction of rotation
2381 Error Error in the reference
run
defective
Remedial action
• 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
• 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
173