Warning codeA0910
The Vdc-max controller has been deactivated because it can't keep the DC-link voltage within limits. The manual's first action is: “Check the following: 1. Input voltage (P0756) lies within range? 2. Load must match In certain cases apply braking resistor”
- Model
- Siemens MICROMASTER 420
- Display shows
- Vdc-max controller deactivated (A0910)
- Type
- Warning code
- Source
- Manual p. 73
What A0910 means
Vdc-max controller deactivated p. 73
Common causes
- Vdc max controller has been de-activated, since controller is not capable of keeping DC-link voltage (r0026) within limits (P2172) p. 73
What to do
- Check the following: 1. Input voltage (P0756) lies within range? 2. Load must match In certain cases apply braking resistor p. 73
Before you service the product, read the safety instructions in the manual p. 6.
If A0910 is still not resolved
- Contact your service dealer for assistance. p. 73 “Check the following: 1. Input voltage (P0756) lies within range? 2. Load must match In certain cases apply braking resistor”
This page summarises what the manufacturer’s manual says about A0910; 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.