Siemens SINAMICS V90, SIMOTICS S-1FL6 Error A7473: EPOS: Beginning of traversing range reached

Industrial motor drive · taken from the manufacturer’s manual, pages cited

Fault codeA7473

EPOS: Beginning of traversing range reached when the axis has moved to the traversing range limit during traversal. The manual's first action is: “Move away in the positive direction.”

Model
Siemens SINAMICS V90, SIMOTICS S-1FL6
Display shows
EPOS: Beginning of traversing range reached (A7473)
Type
Fault code
Source
Manual p. 309

What A7473 means

EPOS: Beginning of traversing range reached p. 309

Common causes

  • When traversing, the axis has moved to the traversing range limit. p. 309

Safety warnings — read before you start

  • DANGERGeneral Safety Instructions. Qualified Personnel The product/system described in this documentation may be operated only by personnel qualified for the specific task in accordance with the relevant documentation, in particular its warning notices and safety instructions. p. 2
  • WARNINGRisk of Electric Shock and Fire. Risk of electric shock and fire from supply networks with an excessively low impedance Excessively high short-circuit currents can lead to the protective devices not being able to interrupt these short-circuit currents and being destroyed, and thus causing electric shock or a fire. p. 12
  • WARNINGElectric Shock if No Ground Connection. Electric shock if there is no ground connection For missing or incorrectly implemented protective conductor connection for devices with protection class I, high voltages can be present at open, exposed parts, which when touched, can result in death or severe injury. p. 12
  • WARNINGElectric Shock Due to Unsuitable Power Supply. Electric shock due to connection to an unsuitable power supply When equipment is connected to an unsuitable power supply, exposed components may carry a hazardous voltage that might result in serious injury or death. p. 12

What to do

  1. Move away in the positive direction. p. 309

If A7473 is still not resolved

  • Contact service / dealer for assistance p. 2
    “Qualified Personnel The product/system described in this documentation may be operated only by personnel qualified for the specific task in accordance with the relevant documentation, in particular its warning notices and safety instructions.”
  • Contact service / dealer for assistance p. 13
    “NOTICE Property damage due to loose power connections Insufficient tightening torques or vibration can result in loose power connections. This can result in damage due to fire, device defects or malfunctions.”

This page summarises what the manufacturer’s manual says about A7473; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Siemens. Found a mistake? Report an error.