Replacing Display Pc Boards - Fronius CL 44.4 Delta Serviceanleitung

Replacing display PC boards

Replacing display
PC boards
104
WARNING! An electric shock can
be fatal. Danger from grid voltage
and DC voltage from solar mod-
ules.
Prior to all work on the inverter,
make sure that the AC and DC
wires are not charged.
Open the right cabinet door
1
Disconnect ribbon cable (2)
2
Remove 5 spacers (1) (size 8)
3
Remove PC board
4
Remove protective film from display of
5
new PC board
Insert new PC board and attach with
6
spacers (1) - 0.2 Nm
Connect ribbon cable (2)
7
Close cabinet door
8