Standard LED Behavior When the Router Is Powered On
After you turn on power to the modem router, verify that the following sequence of events occurs:
1. When power is first applied, verify that the Power LED is lit.
2. After about two minutes, verify the following:
• The Power LED is solid white.
• The Internet LED is lit.
• The WiFi LED is lit unless you turned off the WiFi radio.
You can use the LEDs on the front panel of the modem router for troubleshooting.
Power LED Is Off or Blinking
This could occur for a number of reasons. Check the following:
• Make sure that the power adapter is securely connected to your modem router and securely connected
to a working power outlet.
• Make sure that you are using the power adapter that NETGEAR supplied for this product.
• If the Power LED blinks slowly and continuously, the modem router firmware is corrupted.This can
happen if a firmware upgrade is interrupted, or if the modem router detects a problem with the firmware.
If the error persists, it is likely that a hardware problem exists. For recovery instructions, or help with a
hardware problem, contact technical support at netgear.com/support.
Power LED Stays Amber
When the modem router is turned on, the Power LED lights amber for up to two minutes and then turns
white. If the LED does not turn white, this indicates a problem with the modem router.
If the Power LED is still amber three minutes after you turn on power to the modem router, do the following:
• Cycle the power to see if the modem router recovers.
• Press and hold the Reset button to return the modem router to its factory settings. For more information,
see Factory Settings on page 176.
If the error persists, a hardware problem might be the cause. Contact technical support at
netgear.com/support.
LEDs Never Turn Off
When the modem router is turned on, the LEDs light for about 10 seconds and then turn off. If all the LEDs
stay on, this indicates a fault within the modem router.
If all LEDs are still lit one minute after power-up, do the following:
• Cycle the power to see if the modem router recovers.
• Press and hold the Reset button to return the modem router to its factory settings. For more information,
see Factory Settings on page 176.
Troubleshooting
168
Nighthawk AC1900 WiFi LTE Modem Router
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