DURKOPP ADLER 745-34 - 7.5 System error messages

7. Error messages
In the event of an error in the control system or the machine program
the error number appears in the display.
The following tables will enable the cause of the error to be identified
and remedied.
7.1 Machine-programs error messages
Error number Meaning Remedy
Display
Errors 1-249 Internal errors, CPU DAC IIC Switch machine off and on again *
Error 250 Undervoltage, CPU DAC IIC
Stabilise mains voltage
Error 251 Undervoltage, valve mains supply
Stabilise mains voltage
7.2 Sewing-motor controller error messages
Error number Meaning Remedy
Error 300 Defective cable connections to the
EFKA controller /
EFKA controller defective
(sewing-motor controller:
communication interrupted)
Check cable connections to the EFKA
controller /
replace EFKA controller *
Error 301 Defective cable connections to the
EFKA controller /
EFKA controller defective
Check cable connections to the
sewing-motor controller /
replace EFKA controller *
Error 302 · Hardware error, EFKA controller
· Software error, EFKA controller
· Synchroniser not
connected / defective
· Faulty commutation-switch lead
or converter
· Mains voltage too low
· Block: motor mechanically
overloaded
· One rotation after zero-point
approach
Zero pulse not detected / initiator
defective
· Transfer temporarily
interrupted
· Replace EFKA controller
· Update software version
· Check synchroniser connection
· Check commutation-switch lead
· Check mechanics
· Check initiator à check distance to
disc / replace initiator
· Check cable connections to the EFKA
controller *
Error 304 CPU DAC IIC defective
Switch machine off and
then on again *
Error 305 EFKA controller pedal not in starting
position
· EFKA controller pedal bush
dirty
· replace EFKA controller
* If this error display occurs frequently, please contact our service staff
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