Operation Manual

Event number Message, cause and corrective measures
27331
Update transport started
The inverter has successfully started the update.
27332
Update transport successful
The update file has been successfully transferred to the communication compo-
nent.
29001
Inst. code valid
The entered GridGuard code is valid. Protected parameters have now been
unlocked and you can adjust the parameters. The parameters will be automati-
cally locked again after ten feed-in hours.
29004
Grid parameters unchanged
Changing the grid parameters is not possible.
8.3 Cleaning the Fan (only with Sunny Boy 7.0-US / 7.7-
US)
Procedure:
• Remove and clean the fan.
• Install the fan.
Removing and Cleaning the Fan
1.
Danger to life due to high voltages
• Disconnect the inverter from any voltage sources (see the inverter installation manual).
2. Remove the cover of the plug. To do this hold the
ribbed surface at the top and button and push
the cover as far as possible to the right.
3. Remove the plug from the bracket.
8 Troubleshooting
SMA Solar Technology America LLC
User ManualSB30-77-1SP-US-40-BA-en-1156