Warning codeA0912
The DC-link voltage has fallen below the minimum level set by the controller. The manual lists no action for this code.
- Model
- Siemens MICROMASTER 420
- Display shows
- Vdc-min controller active (A0912)
- Type
- Warning code
- Source
- Manual p. 73
What A0912 means
Vdc-min controller active p. 73
Common causes
- Vdc min controller will be activated if DC-link voltage (r0026) falls below minimum level (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
- WARNINGWARNING. indicates a potentially hazardous situation which, if not avoided, could result indeath or serious injury. p. 6
- CAUTIONCAUTION. used with the safety alert symbol indicates a potentially hazardous situationwhich, i f not avoided, may result in minor or moderate injury. p. 6
If A0912 is still not resolved
- Contact your service dealer for assistance. p. 73 “Vdc min controller will be activated if DC-link voltage (r0026) falls below minimum level (P2172)”
This page summarises what the manufacturer’s manual says about A0912; 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.