SMA SB5.0-1SP-US-40 Manuel De Service page 8

4 Disassembling the Defective Power Unit
4. If there is a switch and an outlet for secure
power supply operation connected, remove the
connecting terminal plate with the connected
cable from the SPS slot. To do this, unscrew the
screws using a flat-blade screwdriver (blade
width: 3.5 mm (0.14 in)) and pull the connecting
terminal plate out of the slot.
5. Pull the ribbon cable connecting the
communication assembly to the Power Unit out
of the communication assembly.
6. Lead the ribbon cable with plug back to the
COM slot in the Power Unit and insert the plug
into the slot until it is flush with the black plastic
of the slot.
7. If the inverter is fitted with a padlock for theft
protection, open the padlock and remove it.
8. Using a Torx screwdriver (TX 25), unscrew the
screw M5x60 which fastens the inverter to the
wall mounting bracket.
8 SB50-60-1SP-US-40-AT-PU-SG-xx-10
SMA Solar Technology America LLC
Service Manual