Esse-ti 4GRouter, User Manual

Page: 58 / 60

Page 58
PROBLEM-DETECTION GUIDE
This section shows a list of solutions to the most commonly encountered
problems.
STATE CAUSE SOLUTION
All LEDs are unlit 4GRouter not supplied Check power supply
The red LED blinks quickly
SIM card not present or not
correctly inserted
Correctly insert the SIM card in
the dedicated location
SIM card locked by PIN code
Disable the PIN code through your
mobile phone
SIM card expired or damaged
Check the SIM card operation on
your mobile phone
Unconnected antenna or damaged
connection cable
Check the antenna connection and
the correct operation of the cable
4G LTE/UMTS/GSM signal absence
Check the signal strength by your
mobile phone
Insufficient power supply Check the power supply
Generic SW problem
Switch off and back on the
gateway
The green LED is unlit
4G LTE/UMTS/GSM signal level is
too low to allow outgoing calls
Move the gateway and the
antenna into a better position
The autodialer connected to
4GRouter does not detect the
telephone line
Telephone line voltage on TEL
terminals is insufficient
Increase the voltage by the
programming “Telephone line
voltage”
The autodialer connected to
4GRouter does not succeed in
forwarding a call
The autodialer performs a tone
detection over the telephone line
Set use mode 2 (or 4) by the
programming “Use mode”
During conversation echo is heard -
Increase protection on echo-
related occurrences by setting use
mode 3 (or 4) by the
programming “Use mode”