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
Safety warnings — read before you start
- DANGERDANGER. indicates an immiently hazardous situation which, if not avoided, will result in death or serious injury. p. 6
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
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.