11 Troubleshooting
SMA Solar Technology AG
Operating Manual 51HS-BM-3.28-10-BE-en-10
11 Troubleshooting
11.1 Options for troubleshooting
Status changes or errors on one or more battery modules can become noticeable in different ways.
Status changes or errors Signs on the battery See
Error with event message
and LED display
Some possible errors are indicated by event messages in
the inverter user interface. The same error is also signaled
each by the red LED on the battery module flashing or
glowing.
Section11.2, page51
Errors with LED display only Only the red LED is flashing or glowing on one or several
battery modules. There is no event message on the user
interface of the inverter.
Section11.3, page54
External appearance of the
battery module
Changes to the external appearance of the battery mod-
ules indicate an error in the battery. Even without event
message or LED display, there is need for action.
Section14.1, page58
11.2 Event messages on the user interface of the inverter
11.2.1 Event 9307
Event message:
• Defect or fault in the battery system
Explanation:
Communication fault between the battery modules.
LED signal on battery module:
Red LED is flashing slowly.
Corrective measures:
• Check the communication wiring of the modules.
• Check whether the termination resistor has been plugged in on the last module.
11.2.2 Event 9311
Event message:
• Overvoltage battery system
Explanation:
Overvoltage on a battery module
LED signal on battery module:
Red LED is flashing quickly.
Corrective measures:
• Disconnect the system (battery and inverter) from voltage sources.