Fault 92 means the relevant electronics module is in emergency mode due to an ADIO electronics module communication error. The manual's first action is: “Check setting in the commissioning assistant and correct if required. Check connections and leads to the ADIO electronics module. Check PlusBus voltage level (24 to 28 V). Check subscriber number on rotary switch S1 and correct if required.”
- Model
- Viessmann Vitodens 111-W
- Display shows
- 92
- Type
- Fault code
- Source
- Manual p. 71
What 92 means
Function of the relevant electronics module in emergency mode p. 71
Common causes
- ADIO electronics module communication error p. 71
What to do
- Check setting in the commissioning assistant and correct if required. Check connections and leads to the ADIO electronics module. Check PlusBus voltage level (24 to 28 V). Check subscriber number on rotary switch S1 and correct if required. p. 71
If 92 is still not resolved
The manual gives no further instruction for this code. Open the code table in the PDF or contact Viessmann service.
This page summarises what the manufacturer’s manual says about 92; 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 Viessmann. Found a mistake? Report an error.