SMA SUNNY BOY 1.5 - Page 82

Procedure:
1.
Danger to life due to high voltages
• Disconnect the inverter from all voltage sources (see Section10, page59).
• Wait five minutes until the capacitors have discharged.
2. To prevent water or dust entering the interior of the inverter, clean and dry the lid prior to
removal.
3. Unscrew all four enclosure lid screws using a Torx screwdriver (TX25) and store safely.
4. Carefully remove the enclosure lid.
5.
Damage to the inverter due to electrostatic discharge
The internal components of the inverter can be irreparably damaged by electrostatic
discharge.
• Ground yourself before touching any component.
6. Perform the repair or replacement.
7. Replace the enclosure lid with the four screws onto the enclosure and hold in place.
8. Tighten all four screws using a Torx screwdriver (TX25) crosswise (torque: 6Nm).
9. Recommission the inverter (see Section13, page83).
12Troubleshooting
SMA Solar Technology AG
Operating ManualSB15-25-1VL-40-BE-en-1182