Solis Inverter Alarm: 1016
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Solis alarm 1016: Unbalanced three-phase grid
Solis alarm code 1016 usually means the inverter has detected an unbalanced 3phase grid condition. This means the grid phases are not operating evenly or as expected.
Alarm code 1016 may appear as:
- G-PHASE
This type of alarm is more relevant to three-phase Solis inverter systems. When this happens, the inverter may stop exporting power or disconnect from the grid to protect the system.
An unbalanced three-phase grid alarm may be linked to local grid conditions, AC wiring issues, phase imbalance, switchboard faults or another problem affecting the inverter’s grid connection.
Let e-Solar check your inverter and three-phase supply
First, check whether there are any obvious issues with your property’s power supply, such as a recent outage, tripped breaker or other electrical fault affecting your three-phase connection.
If the property power supply appears normal, the issue may be linked to the grid connection, phase imbalance or how the inverter is reading the three-phase supply. In some cases, this may be caused by external network conditions rather than the inverter itself.
If the alarm continues to appear, contact e-Solar for support. A qualified technician can safely check the inverter, AC connection and three-phase supply to help identify whether the issue is coming from the grid, the switchboard or the solar system.
Contact e-Solar and let us know:
- The exact error code on the screen or app
- When the code appears
- Whether your solar production has dropped
- Your inverter model, if you know it
Do not open the inverter, switchboard or AC wiring yourself. If the issue is persistent, a qualified technician may need to test the three-phase supply, inspect the AC connection and confirm whether the inverter is operating within safe grid limits.
Get In Touch Today
Not sure what the error code means? Send us a quick message with a photo of your inverter screen. We’ll help identify the issue and guide you towards the safest next step.
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Solis Inverter Repairs and Fault Support
We understand that every solar system is different, which is why our repair and fault-finding services cover a wide range of Solis inverter models. If your inverter is showing error code 1016, our experienced technicians can help determine whether the issue is linked to grid voltage, inverter settings, site wiring or wider network conditions.
With over 22 years supporting Perth solar systems, e-Solar has seen all kinds of inverter faults and performance issues. We’ll assess your system safely, explain what the code means, and recommend the right next step to help get your solar running properly again.
Trust e-Solar for reliable Solis inverter support backed by local experience, honest advice and long-term solar care.