Viessmann Vitotwin 300-W - Carry out Service Reset; Reset Circuit Breaker

122
A
1. Pivot control unit forward.
2. Remove rear cover of the control
unit.
3.
Hold down reset button A for at least
5 s.
Reset circuit breaker
A
B
1. Pivot control unit down and remove
control unit cover
A
.
2.
Actuate B.
3. Carry out service reset (see above).
Troubleshooting
Carry out service reset
5618 294 GB