Burner Control Coding Card - Viessmann Vitocrossal 200 CM2 400 Service Instructions Manual

Vitocrossal 200, CM2 400, 500, 620 and 620 TX Service
Burner Control
(continued)

Burner Control Coding Card

4. Remove coding card from burner control sub-base
and set aside.
Note: Ensure there is no power to the burner control
when replacing the coding card.
5. Loosen the four screws from the burner control
sub-base.
6. Remove burner control sub-base.
7. Reinstall in reverse order.
1. Loosen the two programming unit screws.
2. Lift the programming unit off the burner control
sub-base and disconnect the cable plug and set aside.
3. Remove the coding card from burner control sub-base
and replace.
Note: Ensure there is no power to the burner control
when replacing the coding card.
Note: If error code "FB7"appears
check the coding card that it matches the
burner control.
4. Reinstall in reverse order.
Burner Service
35