5 troubleshooting, 1 event messages, Troubleshooting – SMA 20000TL Service Manual User Manual
Page 12: Event messages, 5troubleshooting

5
Troubleshooting
5.1
Event Messages
Message
Cause
Inst. code valid
The entered Grid Guard code is valid. Protected parameters have
now been unlocked and you can adjust the parameters. The param-
eters will be automatically locked again after ten feed-in hours.
Self-test
The self-test is in progress.
Set parameter
The parameter change has been adopted.
Parameters set successfully
The parameter changes were successfully adopted.
Update file OK
The update file found is valid.
SD card is read
Memory card is being searched for update file and the update file is
being checked.
No new update SDcard
An update file that has already been used is on the memory card.
Update communication
The inverter is updating the communication component.
Update main CPU
The inverter is updating the inverter component.
Update RS485i module
The inverter is updating the corresponding component.
Update Speedwire
The inverter is updating the corresponding component.
Webconnect update
The inverter is updating the corresponding component.
Upd. language table
The inverter is updating the corresponding component.
Update completed
The inverter has successfully completed the update.
Grid param. unchanged
The selected rotary switch position is not assigned or the grid param-
eters cannot be changed.
Grid param. locked
The parameters are locked and you cannot change them.
5 Troubleshooting
SMA Solar Technology AG
Service Manual for Installers
STP20-25TL-SG-en-11
12