
If your panel displays a "Missing " error, here's how to troubleshoot it. First, check your wiring. Make sure the wiring connections from the FCA2032-U1 to your battery and the AUX Power are correctly connected and secure, paying close attention to the polarity. Next, verify your battery voltage. Measure the voltage across your batteries; the FCA2032-U1 requires at least 21VDC to connect them to the panel. If the voltage is too low, remove the batteries and charge them separately until they reach or exceed 21VDC. Alternatively, replace the batteries with a new set that meets the voltage requirement. If the wiring is correct and the voltage is sufficient, but the problem persists, consult your manual for more detailed troubleshooting steps. You can also contact Siemens Industry Inc. technical support for further assistance.


