Checking the Cell Modem Status LEDs
The modem has the following status LEDs
• Power
• Link
• Signal
The following tables list LED indicator status. The LEDs may be difficult
to see if you view them from an angle. View the LEDs straight on.
LED
Indicates
Off
DC power not present
On
DC power present
Power
LED
Indicates
Flashing slowly
(200ms high/1800ms low)
Network searching
Flashing slowly
(1800ms high/200ms low)
Idle
Flashing quickly
(125ms high/125ms low)
Data transfer is occurring
Link
Signal
LEDs
Description
Indicates
All off
Very weak signal
Bar 1 ON
Weak signal
Bar 1 and 2 ON
Good signal
Bar 1, 2, and 3 ON
Very good signal
Issue
Action
No communication
with Enphase App
after connecting the
cellular modem to
the IQ Gateway.
1. Disconnect the USB cable.
2. Power cycle the IQ Gateway.
3. Wait until the IQ Gateway boots
completely.
4. Reconnect the cellular modem USB cable.
I want to disconnect
the modem and
re-use it at a different
site.
Moving the modem to a different IQ Gate-
way deactivates the modem. Contact
Enphase Customer Support if you need to
re-install the modem at a different site.
Troubleshooting
TROUBLESHOOTING
Contact Enphase Customer Support (
enphase.com/en-us/support/contact
) if you have any questions about troubleshooting your system.
a
LED overview
LED
State
Description
All
Flashing red in unison
The IQ Gateway is booting up
Flashing green sequentially
Software upgrade in progress
Network communications
Solid green
Communicating with Enphase App
Flashing green
WPS connection in progress, or IQ Gateway is attempting to connect to Enphase App
Solid red
Local network connection only
Off
No network connection
AP mode
Solid green
AP mode enabled: IQ Gateway Wi-Fi network available
Off
AP mode disabled: IQ Gateway Wi-Fi network unavailable
Power production
Solid green
All communicating microinverters are producing
Flashing green
Microinverter upgrade in progress
Solid Red
At least one microinverter is not producing
Off
Microinverters are not communicating (low light or night time)
Device communications
Solid Green
All devices are communicating
Flashing Green
Device scan in progress
Solid Red
At least one device is not communicating
Off
Devices are not communicating (low light or night time)
