SMA WB 3000-21 Installation - Manual (Page 63)

SMA Solar Technology AG 11 Troubleshooting
Installation Manual WB3-5TL-21-IA-en-10 63
701 Frq. not permitted
Check parameter The power frequency is not within the permissible range.
The inverter has disconnected from the power distribution
grid.
Corrective measures:
• If possible, check the power frequency and observe
how often fluctuations occur.
If there is a high number of fluctuations and this
message is displayed frequently, contact the grid
operator and ask whether they approve a change
of the operating parameters of the inverter.
If the grid operator approves, discuss any changes
to the operating parameters with the SMA Service
Line.
801 Waiting for grid voltage
Grid failure
Check fuse The AC cable is not correctly connected or the country
data set is not correctly configured.
Corrective measures:
• Ensure that the AC cable is correctly connected
(see Section 6.3.2).
• Ensure that the country data set has been
configured correctly.
• Check fuse.
901 PE conn. missing
Check connection PE not connected correctly
Corrective measures:
• Ensure that the PE is correctly connected
(see Section 6.3.2).
1001 L / N swapped
Check connection The connection of L and N is swapped.
Corrective measures:
• Ensure that L and N are correctly connected
(see Section 6.3.2).
1101 Installation fault
Check connection The connection of L and N is incorrect.
Corrective measures:
• Ensure that L and N are correctly connected
(see Section 6.3.2).
Event
number Display message Cause and corrective measures