Troubleshooting; Repairs - Viessmann VITOCAL 300-G PRO Type BW 190 Installation And Service Instructions Manual

Repairs

Moving the top panel into its service position
!
1. Please note
Never damage cables
between the programming
unit and the terminal area.
Carefully remove the top
panel (see page 38).
200
Overview of electrical components
See from page 50.
2. Lean the top panel against a wall and
secure against slippage with 2
screws (service position).

Troubleshooting

89