Zyxel's FWA series of 5G Fixed Wireless Access devices—such as the FWA505, FWA510, and FWA710—offer high-speed wireless internet via 4G/5G cellular networks. However, like all networking hardware, they can experience connectivity or signal issues. This guide provides a comprehensive LED Behaviour resource based on Zyxel's official documentation.
This LED legend is vital for quick diagnostics on the FWA505, helping users identify issues such as connectivity problems, SIM errors, or weak signal areas.
🔌 Power LED
Color
Status
Meaning
Green
On
Device is powered on and ready.
Green
Blinking
Device is booting.
Off
-
Device is not receiving power.
Red
On
Device error – user action required.
Blue
On
New SMS message received.
Blue
Blinking
Inbox is full.
🌐 Internet LED
Color
Status
Meaning
Blue
On
The Zyxel Device is connected to the Internet using 5G.
Green
On
The Zyxel Device is connected to the Internet using 4G, or is connected in Ethernet WAN mode.
Red
On
Internet connection is unavailable.
📶 Cellular Signal Strength LED
Color
Status
Meaning
Blue
On
Signal strength is good.
Green
On
Signal strength is medium.
Red
On
Signal strength is poor.
Red
Blinking
No cellular signal or signal is below the poor threshold.
Blue
Blinking
No SIM card or SIM is invalid.
📡 WiFi / WPS LED
Color
Status
Meaning
Green
On
WiFi is enabled.
Green
Blinking
WPS is active and trying to establish a connection.
Off
-
WiFi is disabled.
Nebula FWA510 LED Behaviour
This LED legend is vital for quick diagnostics on the FWA510, helping users identify issues such as connectivity problems, SIM errors, or weak signal areas.
🔌 Power LED
Color
Status
Meaning
Green
On
Device is powered on and ready.
Green
Blinking
Device is booting.
Red
On
System error – user action required.
Off
-
Device is not receiving power.
✉️ SMS LED
Color
Status
Meaning
Green
On
New SMS message received.
Green
Blinking
SMS inbox is full.
Off
-
No unread SMS messages.
📶 Cellular Signal Strength LED
Color
Status
Meaning
Blue
On
Signal strength is good.
Green
On
Signal strength is medium.
Red
On
Signal strength is poor.
Red
Blinking
No cellular signal or signal is below poor level.
-
Blinking
Device is booting.
🌐 Internet LED
Color
Status
Meaning
Blue
On
Connected to internet via 5G.
Green
On
Connected via 4G or Ethernet WAN.
Red
On
Internet connection is unavailable.
📡 WiFi / WPS LED
Color
Status
Meaning
Green
On
WiFi is enabled.
Green
Blinking
WPS connection is being established.
Off
-
WiFi is disabled.
Nebula FWA710 LED Behaviour
This LED legend is vital for quick diagnostics on the FWA710, helping users identify issues such as connectivity problems, SIM errors, or weak signal areas.
📶 Cellular Signal Strength LED
Color
Status
Meaning
Green
On
Signal strength is excellent.
Amber
On
Signal strength is fair.
Red
On
Signal strength is weak.
Red
Blinking
There is no cellular signal, or signal strength is below the weak level.
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Warranty Expiration Date:
Model Name:
The Serial Number that you provided does not correspond to a Zyxel device. To create a Support or Warranty case, please ensure you enter the correct Serial Number.
If your Serial Number is still not matching with our device records, you can proceed with initiating a web support request by completing the form below, once you have successfully registered or logged in.
Obadete se da govorite s predstavitel na uslugata.
Stremim se da otgovorim na vsichki obazhdaniya v ramkite na 3 minuti
no v natovareni vremena mozhe da ni tryabva malko poveche vreme
We were unable to verify the Support and Warranty status of your device using the provided Serial Number. If you purchased your device in North America, please submit a support request to the US support team here. This portal is exclusively for products and services sold in the EMEA region.
Please attach an invoice of your defective device(s) as proof of purchase.
Dear Zyxel Customer,
We are currently experiencing issues with the Serial Number check, which may result in a timeout. Please try again later. In the meantime, you can sign in or continue using the options below without entering a Serial Number.
Thank you for your understanding.
