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Most common fault codes for Sunsynk Inverters


Backbone Energy
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We have listed some of the most common Fault codes, here is a video explaining them in more detail. We hope this helps you better understand the workings of the Sunsynk inverters and how easy they are to install and fault check.

 

  • F18 - OVERCURRENT FAULT
  • F20 – DC OVERCURRENT [BATTERY]
  • F23 – GFCI CURRENT [PV ERROR, EARTH LEAKAGE]
  • F24 – DC INSULATION [PV ERROR, INSULATION]
  • F26 – BUSUNBALANCE
  • F29 – AC AIRSWITCH FAULT [ PARRALEL COMMS ERROR ]

 


 

 

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