Albrecht DR400 Guide D'utilisateur page 66

7 Troubleshooting
Error
The device does not switch
on.
No sound.
Sound starts to be distorted.
(When not using power
adapter).
No network connection can
be established.
WLAN connection cannot be
established.
No station is found.
Remedy
Check it the power adaptor is connected
properly.
1. Turn on the sound as it may be muted
2. Increase the volume.
3. Pull any connected headphone or speaker
from the connector jack.
Low battery. Switch off the radio; plug the
power adapter in to charge it.
1. Check the WLAN function.
2. Try to set an IP address at the device.
3. Activate the DHCP function on the router
and make the connection again at the
device.
4. A firewall is activated on the network – set
the respective program in such a way that
access is possible.
5. Change to DC power supply if the unit is
operated by built-in battery.
1. Check the availability of WLAN network on
the access point.
2. Place the device closer to the router.
3. Make sure the WEP/WPA password is
correct.
1. Check the network as well as the access
point and firewall.