GoodWe Inverter Error Code 14ETU
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GoodWe error 14ETU: Phase order fault
GoodWe inverter alarm 14ETU usually indicates that the AC phases have been incorrectly connected to the inverter. This may affect the inverter’s operation, including power export and synchronisation with the grid.
If the alarm occurs, the inverter may pause operation or display error codes until the AC phase order is corrected. While sometimes caused by a simple wiring error, persistent alarms may point to a firmware or internal monitoring issue.
Let e-Solar verify your AC wiring and inverter configuration
Power off the inverter before inspection (turn off the AC output and DC input switches) and follow the safety label instructions. After powering on, e-Solar can inspect the AC wiring, confirm correct phase order, and ensure the inverter is updated to the latest firmware.
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
Our technicians can determine if the phase order fault is a simple wiring issue or requires additional inverter configuration adjustments.
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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GoodWe 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 GoodWe inverter models. If your inverter is showing error code 14ETU, 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 GoodWe inverter support backed by local experience, honest advice and long-term solar care.