GoodWe Inverter Error Code 01
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GoodWe error 01: AC HCT check failure
GoodWe error 01 usually indicates a failure during the AC HCT (Hall Current Transformer) self-check. This can be caused by intermittent external factors such as magnetic interference, or it may point to a faulty internal component within the inverter.
This fault stops the inverter from exporting power until the issue is cleared to protect the system and ensure safety. It does not always mean permanent inverter damage but requires verification if it occurs repeatedly.
Let e-Solar check your inverter’s AC HCT system
If the error occurs once and clears by itself, it may have been a temporary interference. The inverter will typically resume normal operation once conditions return to normal. If GoodWe error 01 keeps returning, contact e-Solar. Our Perth-based solar technicians can inspect the inverter, check AC wiring, verify the HCT module, and determine whether the issue is caused by external interference, internal hardware, or system wiring.
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 or attempt internal testing yourself. A qualified technician may need to inspect the HCT and related circuitry to confirm safe operation.
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 01, our experienced technicians can help determine whether the issue is linked to GFCI faults, inverter settings, site wiring, or wider system 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.