Service manual
Event number Display message, cause and corrective measures
8001
Derating occurred
The inverter has reduced its power output for more than ten minutes due to ex-
cessive temperature.
Corrective measures:
• Clean the cooling fins on the rear of the enclosure and the air ducts on
the top using a soft brush.
• Ensure that the inverter has sufficient ventilation.
8801 to 8803
No display
The cause must be determined by the Service.
Corrective measures:
• Contact the Service (see Section11, page30).
9002
Inst. code invalid
The SMAGridGuard code entered is incorrect. The operating parameters are
still protected and cannot be changed.
Corrective measures:
• Enter the correct SMAGridGuard code.
9003
Grid param. locked
The parameters are now locked. You cannot change the parameters.
Corrective measures:
• Unlock the parameters with the SMAGridGuard code.
9005
Changing grid param. not possible > Ensure DC supply
This error can have the following causes:
• The selected rotary switch setting for the country configuration is not
programmed.
• The parameters to be changed are protected.
• The DC voltage at the DC input is not sufficient to run the main CPU.
Corrective measures:
• Ensure that the country data set has been configured correctly.
• Enter the SMA Grid Guard code.
• Ensure that sufficient DC voltage is available (green LED is glowing or
flashing).
4 Troubleshooting
SMA Solar Technology AG
Service ManualSB30-60TL-21-SG-en-1118