1056 'Mains phase sequence L1, L2 , L3'

  • Connections of the corresponding phases are confused at the terminals

Device

AZ

Description

  

Class

  

Drive Behaviour

  

Device Behaviour

System run-up aborted

Additional Error Information (AMK Service)
 

 

 

 

Error removal
  • E loop ES1-ES2 is open
  • Fuse F4, F5, F6 defective
  • Fuse F1, F2, F3 defective
  • No connection at X03, fan bus
  • Fuse F7, F8
  • Voltages in front and behind the main contactor are different
  • Phase is missing behind main contactor

Device

KE

Description

  

Class

  

Drive Behaviour

  

Device Behaviour

System run-up aborted

Additional Error Information (AMK Service)
 

 

 

 

Error removal

  
  • Fault main contactor inverter (n)

Device

ZWR

Description

 Phase sequence at the terminals -U1.X01:L1.1/L2.1/L3.1 is faulty after main contactor ON

Class

 Error

Device Behaviour

Automatic error reset and switch back on

Additional Error Information (AMK Service)
 

 

 

 

Error Removal
  • Check main contactor -K2
  • Check mains filter -Y1
  • Check mains choke -L2
  • Check upstream mains choke -L1
  • Check wiring