Fault codeA52902
Emergency missing because servo operation is disabled when the emergency input (EMGS) is switched off. The manual's first action is: “Switch on the emergency input (EMGS) and then implement servo on.”
- Model
- Siemens SINAMICS V90, SIMOTICS S-1FL6
- Display shows
- Emergency missing (A52902)
- Type
- Fault code
- Source
- Manual p. 312
What A52902 means
Emergency missing p. 312
Common causes
- Implement servo on when the emergency input (EMGS) is switched off. p. 312
What to do
- Switch on the emergency input (EMGS) and then implement servo on. p. 312
Before you service the product, read the safety instructions in the manual p. 2.
If A52902 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 A52902; 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.