Fronius 10.0-3 480, Service Manual

Page: 133 / 180

133
EN
Replacing the
overvoltage PC
board - Symo
Removing the overvoltage PC board:
Take the inverter out of the wall bra-
cket and open it (see “Opening and
closing the device“ section)
Remove the insulation sheet (1)
Undo the three 4x9 TX20 screws of the
cable connections (2)
Undo the two 4x9 TX20 screws (3)
Undo the plug connection to the PS(4)
Undo the plug connection to the OVP
(5)
Remove the overvoltage PC board
NOTE! The SymoPS DC power board from version V1.4A_B already has an in-
tegrated overvoltage function. If the SymoPS DC replacement PC board is ver-
sion V1.4A_B or higher, any existing OVP SYMPRI overvoltage PC board must
be removed.
(2) (3) (1) WARNING! Observe the safety
rules (see the beginning of the
“Safety“ section)
1
2
3
4
(4)
5
(5) 6
7