SMA SPEEDWIRE V.1.6 - Manual (Page 27)

SMA Solar Technology AG 8 Troubleshooting
Installation Manual SWWEBCONDM-IA-en-16 27
The Speedwire/
Webconnect data
module cannot be
accessed. It is possible that packet filtering or manipulation for SIP packets is installed
on the router.
Corrective measures:
• Uninstall the packet filtering for SIP packets or the manipulation for
SIP packets on the router.
It is possible that port forwarding has been entered on the router with NAT
function (Network Address Translation).
Corrective measures:
• Remove the port forwarding from the router with NAT function.
It is possible that the inverter does not recognize the Speedwire/
Webconnect data module. The firmware version of the inverter is not
supported (see Section 2.4, page 10).
Corrective measures:
• Update the inverter firmware (see the Technical Description
"Firmware Update with SD Card" at www.SMA-Solar.com).
Problem Cause and corrective measures