IQ7+ Micro Installation
Table Of Contents
- Important Safety Information
- The Enphase IQ System
- Planning for Microinverter Installation
- Parts and Tools Required
- Enphase Microinverter Installation
- Step 1: Position the Enphase Q Cable
- Step 2: Position the Junction Box
- Step 3: Mount the Microinverters
- Step 4: Create an Installation Map
- Step 5: Manage the Cabling
- Step 6: Connect the Microinverters
- Step 7: Terminate the Unused End of the Cable
- Step 8: Complete Installation of Junction Box
- Step 9: Connect the PV Modules
- Step 10: Energize the System
- Set Up and Activate Monitoring
- Troubleshooting
- Technical Data

IQ 7 / IQ 7+ / IQ 7X Micro Installation and Operation
© 2018 Enphase Energy Inc. All rights reserved. 141-00043-02
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Method 1: Clear this Error Using Enlighten
• Log in to Enlighten and access the system.
• Click the Events tab. The next screen shows a current “DC Resistance Low - Power Off”
condition for the system.
• Click DC Resistance Low - Power Off.
• Where “n” is the number of affected devices, click n devices (show details).
• Click the serial number of the affected microinverter.
• Click Reset DC Resistance Low - Power Off Sensor.
The system displays, “A DC Resistance Low- Power Off reset task was issued on [date and time]
for this microinverter and is still pending.”
Method 2: Use Installer Toolkit to Clear the Condition
On the list of detected microinverters, a green dot or red square appears to the left of each microinverter
serial number. A green dot indicates Status OK. A red square indicates an event for that microinverter.
• Tap the to the left of the serial number to view details for a microinverter event.
• If the microinverter status shows that there is an active DC Resistance Low – Power Off
condition, tap the to send the clear message to the affected microinverter.
The app then indicates that a clear message was sent.
Other Faults
All other faults are reported to the Envoy. Refer to the Enphase IQ Envoy Installation and Operation
Manual at
enphase.com/support for troubleshooting procedures.