SMA Solar Technology AG 12 Troubleshooting
Installation Manual SB30-50TL-21-IA-en-21 83
8801
8803
No display The display is blank. The inverter continues feeding into the
electricity grid. This error can have the following causes:
• The ambient temperature is so low that the display
disconnects to protect itself.
• The inverter cannot identify the display type.
• No display is connected or the connection is defective.
Corrective measures:
• Wait until the temperature has risen above ‒25°C.
• Contact the SMA Service Line (see Section16 "Contact",
page114).
9002 Inst. code invalid The SMA Grid Guard code entered (personal installer
password) is not valid.
Corrective measures:
• Enter a valid SMA Grid Guard code.
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 setting of the rotary switches (see Section6.5.1
"Checking the Country Standard", page50).
• Enter the SMA Grid Guard code.
• Ensure that sufficient DC voltage is available
(green LED lit or flashing).
Ensure DC supply
Event no. Message Cause and corrective measures