Chapter 23 Troubleshooting
LTE3301-M209 User’s Guide
143
1 Check the hardware connections, and make sure the LEDs are behaving as expected. See the Quick
Start Guide and Section 1.7.2 on page 15.
2 Reboot the Zyxel Device.
3 If the problem continues, contact your ISP.
The Internet connection is slow or intermittent.
1 There might be a lot of traffic on the network. Look at the LEDs, and check Section 1.7.2 on page 15. If
the Zyxel Device is sending or receiving a lot of information, try closing some programs that use the
Internet, especially peer-to-peer applications.
2 Check the signal strength. If the signal strength is low, try moving the Zyxel Device closer to the ISP’s base
station if possible, and look around to see if there are any devices that might be interfering with the
wireless network (for example, microwaves, other wireless networks, and so on).
3 Reboot the Zyxel Device.
4 If the problem continues, contact the network administrator or vendor, or try one of the advanced
suggestions.
Advanced Suggestion
• Check the settings for QoS. If it is disabled, you might consider activating it.
23.5 Wireless Connections
I cannot access the Zyxel Device or ping any computer from the WLAN.
1 Make sure the wireless LAN is enabled on the Zyxel Device.
2 Make sure the wireless adapter on your computer is working properly.
3 Make sure the wireless adapter installed on your computer is IEEE 802.11 compatible and supports the
same wireless standard as the Zyxel Device.
4 Make sure your computer (with a wireless adapter installed) is within the transmission range of the Zyxel
Device.
5 Check that both the Zyxel Device and the wireless adapter on your computer are using the same
wireless and wireless security settings.
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