SMA SB 3000TL-20 Installation User Manual
Page 78
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Messages
SMA Solar Technology AG
78
SB30TL_40TL_50TL-IA-IEN120231
Installation Guide
90
< Inst. code invalid >
The SMA Grid Guard Code entered
(personal installer password) is invalid.
• A valid SMA Grid Guard Code has
been entered.
< Grid param. locked >
The current country data set is locked.
• Enter the valid SMA Grid Guard
Code for changing the country data
set.
< Abort self-test >
• Contact the SMA Serviceline
(see section 15 ”Contact”
(page 101)).
< Changing grid param. not possible >
• The selected rotary switch setting for
the country configuration is not
programmed.
• The parameters to be changed are
protected.
< Ensure DC supply >
• DC voltage at the DC input is not
sufficient to run the main CPU.
• Check the setting of the rotary
switches (see section 5.4.2).
• Enter the SMA Grid Guard Code.
• Ensure sufficient DC voltage
(green LED lights up or flashes).
Event no. Display message and cause
Corrective measures