User's Guide

Troubleshooting

After completing the procedure in “Connect” above, the E1500 should display a solid

green light and be ready to use. If it is not, connect to the web admin using the procedure

in “Web Admin” above, and review these troubleshooting steps:

1. Navigate to Status > LTE > Overview and review the information displayed. Identify

the WAN interface you expect to use.

2. Confirm that the connection state is “connected”, and the operator is the expected

provider. If not, verify the device information. If you do not see an ICCID or IMSI,

there may be an issue with your SIM card or with the APN configuration which is

associated with your SIM card.

3. If your device information appears correct, but you are not connected to your

expected operator, navigate to the Scan tab. Run a cellular network scan for the

interface through which you are expecting to connect, and verify that the modem is

able to see the network to which you are expecting to connect.

4. If your connection state, operator, and signal quality all check out, double-check

the Bearers tab to verify the unit has received an IP address.

5. Navigate to Network > SIMs and review the interface through which you are

attempting to connect. Under APNs for the interface, verify that the correct APN

has been entered.

6. Navigate to Network > Interfaces and select Edit on the interface through which you

are attempting to connect.

7. On the General Settings tab check whether the interface IP Type is set to IPv4-

only, IPv6-only, or both. IPv4-only setting is recommended unless IPv6 is required.

8. On the Firewall Settings tab, verify that the firewall zone assigned to the interface

is set to “wan.” See Network > Firewall.