HomeMatic CCU2 - Troubleshooting Guide

Condition
Power
LED
Internet
LED
Info
LED
Fault Rectification
No network
connection
On
Off
--
Check your network cable and the
connection between CCU2 and the
router / switch
No IP address
On
Fast
Blink
--
Check your network configuration. If no
DHCP server possible, proceed as
described in Section 10.1.2
No IP address, no
internet access
On
Blink
--
Check the network configuration of your
router
Started Recovery
System
Blink
Blink
Blink
Wait until the system has gone through
recovery
10. Troubleshooting Guide
10.1. WebUI will not load after entering the URL http://homematic-
ccu2
If after entering the URL in your web browser http://homematic-ccu2 you do
not get on the WebUI user interface, follow the following solutions for
troubleshooting.
10.1.1. Enter the IP address of your CCU
You can also type your IP address in your web browser to access the WebUI,
instead of the URL http://homematic-ccu2. You have two ways of finding out
the IP address of your home:
a) Display the IP address from network settings:
Check the CCU properties to find your IP address. Proceed as follows:
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