B222s User’s Guide 173
CHAPTER 26
Troubleshooting
26.1 Overview
This chapter offers some suggestions to solve problems you might encounter. The potential
problems are divided into the following categories.
• Power, Hardware Connections, and LEDs
• LTE Device Access and Login
• Internet Access
• Wireless Internet Access
• Phone Calls and VoIP
• UPnP
26.2 Power, Hardware Connections, and LEDs
The LTE Device does not turn on. None of the LEDs turn on.
1 Make sure the LTE Device is turned on.
2 Make sure you are using the power adaptor or cord included with the LTE Device.
3 Make sure the power adaptor or cord is connected to the LTE Device and plugged in to an
appropriate power source. Make sure the power source is turned on.
4 Turn the LTE Device off and on.
5 If the problem continues, contact the vendor.
One of the LEDs does not behave as expected.
1 Make sure you understand the normal behavior of the LED. See Section 1.6 on page 18.
2 Check the hardware connections. See the Quick Start Guide.
3 Inspect your cables for damage. Contact the vendor to replace any damaged cables.
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