SMA SB 2500TL-21 Installation - Manual (Page 75)

SMA Solar Technology AG Troubleshooting
Installation Manual SB25-30TLST-21-IA-en-13 75
9003 Grid param. locked The current country data set is locked.
Corrective measures:
• Enter a valid SMA Grid Guard code for changing the
country data set.
9005 Changing grid
param. not
possible This error can have the following causes:
• The selected rotary switch setting for the language settings
is not programmed.
• The parameters to be changed are protected.
• DC voltage at the DC input is not sufficient to run the main
CPU.
Corrective measures:
• Check the rotary switch setting (see Section 6.5.1
"Checking the Country Standard" (page 45)).
• Enter the SMA Grid Guard code.
• Ensure sufficient DC voltage is available (green LED is
glowing or flashing).
Ensure DC supply
Event no. Message Cause and corrective measures