SMA SUNNY BOY 5000 - Page 22

Error number Display message, cause and corrective measures
8904
Self diagnosis > Interference of device
The cause must be determined by the SMAServiceLine.
Corrective measures:
• Contact the SMAServiceLine.
9002
Grid Guard code invalid
The SMA Grid Guard code entered is incorrect. The operating parame-
ters are still protected and cannot be changed.
Corrective measures:
• Enter the correct SMA Grid Guard code.
9003
Grid parameter locked
The parameters are now locked. You cannot change the parameters.
Corrective measures:
• Unlock the parameters with the SMA Grid Guard code.
9005
Changing grid params not possible > Ensure DC supply
PV power is too low for setting the country data set. As soon as sufficient
irradiation is available, the inverter assumes the setting automatically.
9007
Abort self-test
The self-test (Italy only) was terminated.
Corrective measures:
• Restart the self-test (see inverter manual at www.SMA-Solar.com).
9301
New battery detected
The inverter has detected a new Battery Pack.
9302
Self diagnosis > Interference of device
The cause must be determined by the SMAServiceLine.
Corrective measures:
• Contact the SMAServiceLine.
9303
The service life of the battery is expiring
The state of health of the Battery Pack is 70%.
Corrective measures:
• Replace the Battery Pack with a new one. Contact the SMA Service
Line.
4 Troubleshooting
SMA Solar Technology AG
Service ManualSB36-50SE-SG-en-1022