Growatt MID 12KTL3-XH

Questions and Answers

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Sarah NashSep 4, 2025
How do I troubleshoot Warning 400 on my Growatt MID 12KTL3-XH?
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  robertsonannSep 4, 2025
  If your Growatt Inverter is displaying Warning 400, after shutdown, check the connection of the fan and replace the fan. If the error message persists, please contact Growatt support.
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Tammy LeeAug 25, 2025
What to do if my Growatt MID 12KTL3-XH displays Error 309?
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  joel76Aug 25, 2025
  If your Growatt Inverter shows Error 309, check the grid frequency and restart the inverter. If the error message persists, please contact Growatt support.
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mark82Aug 25, 2025
What should I do if my Growatt MID 12KTL3-XH is showing Error 301?
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  Brandon NavarroAug 26, 2025
  If your Growatt Inverter displays Error 301, check the AC terminals. If the error message continues, contact Growatt support for further assistance.
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Michael GarciaSep 12, 2025
How to fix Warning 306 on a Growatt Inverter?
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  greenebrendanSep 12, 2025
  To address Warning 306 on your Growatt Inverter, check the connection of the communication cable. If the error message persists, please contact Growatt support.
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Mrs. Sheri ZunigaSep 18, 2025
What should I do if my Growatt Inverter displays Warning 605?
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  Elizabeth VegaSep 18, 2025
  If your Growatt Inverter displays Warning 605, try restarting the inverter. If the error message persists, please contact Growatt support.
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Christopher WhiteheadSep 7, 2025
How to fix Warning 204 on a Growatt Inverter?
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  Mark BlevinsSep 7, 2025
  If your Growatt Inverter is showing Warning 204, after shutdown, check the dry contact wiring. If the error message persists, please contact Growatt support.
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Alexander LamAug 31, 2025
What should I do if I see Warning 423 on my Growatt MID 12KTL3-XH?
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  Paula SchmidtAug 31, 2025
  If your Growatt Inverter displays Warning 423, restart the inverter. If the error message persists, please contact Growatt support.
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Alex GlennSep 23, 2025
How to fix Error 204 on a Growatt MID 12KTL3-XH Inverter?
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  Timothy KelleySep 23, 2025
  If your Growatt Inverter is showing Error 204, after shutdown, check the connection of the PV terminals and restart the inverter. If the error message persists, please contact Growatt support.
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Terri BurnsSep 14, 2025
What should I do if my Growatt MID 12KTL3-XH displays Warning 502?
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  collinsvalerieSep 14, 2025
  If your Growatt Inverter shows Warning 502, check whether the grid voltage is out of range or whether the grid-connected voltage setting of the inverter is correct. Check whether the PV voltage is too high or too low. Restart the inverter. If the error message persists, please contact Growatt support.
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Janice MartinezAug 28, 2025
What to do if my Growatt MID 12KTL3-XH Inverter is showing Warning 219?
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  andrealewisAug 28, 2025
  If your Growatt Inverter displays Warning 219, restart the inverter. If the error message persists, please contact Growatt support.