Operating instructions

ManualsBrandsViessmann ManualsDomestic AppliancesVitodens 222-F

114

Dis-

played

fault

code

Const. Weath.-

comp.

System char-

acteristics

Cause Measures

FE X X Burner blocked

or in a fault

state

Boiler coding

card or main

PCB faulty

Press reset button

R. Replace boiler

coding card or con-

trol unit if the fault

persists.

FF X X Burner blocked

or in a fault

state

Internal fault

or reset but-

ton R

blocked

Start the appliance

again. Replace the

control unit if the

appliance will not

restart.

Troubleshooting

Fault codes

(cont.)

5457 552 GB