Troubleshooting - Zte MF23 User Manual

C h a p t e r

Troubleshooting

Make sure that the router is turned on and all the cables are connected correctly.
•
Check the RSSI, PPP and PWR LED's are lit and NOT in a blinking state or off.
•
Voice Related Problems
Symptoms
No Dial Tone.
There is a prompt/ phone alert/ announcement as soon as I
lift the phone off the hook.
The line is noisy/ distorted when I lift the phone off the
hook.
I hear a rapid engaged tone as soon as I lift the phone off
the hook.
After dialing the last digit I hear nothing /silence.
I can't make or receive a call when I am surfing on the net.
Internet Related Problems
Symptoms
I cannot access the internet at all.
The download or upload speeds are very slow.
Others
Symptoms
The RSSI signal indicator is always blinking or does not
light.
5
Possible Problems/ Solutions
Please wait for 1~2 minutes after the router is turned on.
If 3G LED light is blinking, you have no good RF
reception. Change the location of the router.
Make sure your (U)SIM card is inserted correctly and the
PIN number has been entered. If the PIN number has been
entered incorrectly then you will need to enter the PUK
code when prompted.
Remove any electrical appliance which is too close to the
phone or router.
The cable or phone set might be faulty.
Put the phone on hook and try again. If you are connected
to the internet using the 2G (GSM) network, please
disconnect this first.
When you have finished dialing you can press the # key or
wait 4-8 seconds to connect the call.
If you are connected using the 2G (GSM) network then
you cannot surf the net and make a phone call
simultaneously. Please disconnect the internet and wait 30
seconds to 1 minute before making a call.
Possible Problems/ Solutions
Please check your configuration settings.
Please wait 1~ 2 minutes for the router to initialize.
Check your service indicator LED's.
The speed is dependent on signal strength. Check your
signal strength and network type.
Possible Problems/ Solutions
This indicates poor reception. Try moving the router to
another location near the window.
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