Series 642 MAINTENANCE
813316EB Edition 2017-11-24 95/
6. Lift controller panel carefully.
7. Remove or replace option board.
8. Reassemble all parts in reverse
order (see steps 6…3).
9. Tighten panel screws with 1.1 Nm
(see step 2).
10. Reconnect all electrical connections
at controller.
If you need any further information, please contact one of our service centers. You
can find the addresses on our website: www.vatvalve.com.