Viessmann Vitodens 111-W Error Codes

25 codes from pages 35–89 of the manual

This is the list of fault codes the Viessmann manual gives for the Vitodens 111-W Viessmann Vitodens 111-W water heater. Find your code below and open it for what the manual says about its causes and what to do.

Fault codes from p. 35

CodeWhat it meansPage
416 Fault during commissioning p. 35
71 Burner in a fault state p. 71
73 Burner in a fault state p. 71
74 Burner locked out. p. 71
77 Burner in a fault state p. 71
89 No central heating and no DHW heating p. 71
91 Function of affected extension in emergency mode p. 71
92 Function of the relevant electronics module in emergency mode p. 71
95 Burner off p. 71
100 Electronics modules connected to PlusBus not functioning p. 71
102 No internet connection p. 72
103 Control mode p. 72
104 Depending on configuration of EM-EA1 extension (DIO electronics module) p. 72
142 Burner in a fault state p. 72
160 Burner in a fault state p. 72
161 Burner in a fault state p. 72
163 Burner in a fault state p. 72
182 No DHW heating p. 72
183 No DHW heating p. 72
184 Burner in a fault state p. 72
185 Burner in a fault state p. 72
540 Burner in a fault state p. 82
544 Emergency function operating mode is activated for heating circuit 2: Mixer closes. Heating circuit pump is operational. p. 82
545 Emergency function operating mode is activated for heating circuit 2: Mixer closes. Heating circuit pump is operational. p. 82
574 Room temperature sensor for heating circuit 1 not available p. 82

Codes and descriptions are taken from the manufacturer’s manual; page numbers link to the PDF. ManualLib is not affiliated with Viessmann. Found a mistake? Report an error.