Replacing an IQ Gateway
If problems remain after following the troubleshooting steps above, contact Enphase
at enphase.com/global/support-request.
DANGER!
Risk of electric shock. Risk of fire. Do not attempt to repair the IQ
Gateway; it contains no user-serviceable parts. Tampering with or opening the IQ
Gateway will void the warranty. If the IQ Gateway fails, contact Enphase Customer
Support for assistance (enphase.com/global/support-request).
•
Warranty void if cover removed.
•
Refer servicing to qualified personnel.
If Enphase Customer Support authorises an IQ Gateway replacement (RMA), perform the following steps.
DANGER! Risk of electrocution! CTs must be installed with no current flowing in the
sensed circuit. Always install CT wires in the terminal blocks before energising the
sensed circuit. Do not disconnect the CT leads from the terminal block while the
sensed circuit is energised.
DANGER! Risk of electric shock. Be aware that installation of this equipment includes
risk of electric
shock
. If you wire the IQ Gateway at the sub-board, always de-
energise the sub-board before servicing.
1.
Turn off the circuit breaker supplying IQ Gateway.
2.
Disconnect the all active wires and Neutral wires from the old IQ Gateway.
3.
Disconnect the Ethernet and USB cables (if used).
4.
Turn off the circuit breaker supplying the PV system.
5.
Unlatch the split-core of the production CT(s) (if used) before disconnecting and remove
the CT(s) from the sensed wires.
6.
Unlatch the split-core of the consumption CT(s) (if used) before disconnecting. Once
the CT(s) are unlatched, remove it from the sensed wires.
7.
Remove the IQ Gateway by unlatching it from the DIN rail.
8.
When the replacement IQ Gateway arrives, install the IQ Gateway and provide power as
described in
“2. Provide a Power Connection” on page 13.
9.
Install the new production CT and consumption CT (if used) as described in “3. Install
CTs for Metering” on page 14.
10.
Verify that the new IQ Gateway powers up.
BEST PRACTICE: When powered up and connected for the first time, the IQ Gateway
may retrieve an automatic upgrade from Enphase. This upgrade may take up to 15
minutes. During upgrade the IQ Gateway LEDs flash green sequentially.
WARNING! Risk of Equipment Damage. Do not remove power from the IQ Gateway
if the
IQ Gateway LEDs are flashing green sequentially. This indicates that a
software upgrade is in progress.
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