Growatt MID 12KTL3-XH User Manual

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Manual

Growatt New Energy

Installation

Operation Manual

GR-UM-320-A-00

Shenzhen Growatt New Energy Co., Ltd

4-13/F, Building A, Sino-German (Europe) Industrial Park,

Hangcheng Ave, Bao’an District, Shenzhen, China

+86 755 2747 1942

www.ginverter.com

service@ginverter.com

Questions and Answers:

J
John Wilkins DDSAug 28, 2025
How do I troubleshoot Warning 406 on a Growatt MID 12KTL3-XH?
- B
  Bryan RussellAug 28, 2025
  If your Growatt Inverter displays Warning 406, restart the inverter. If the error message persists, please contact Growatt support.
J
Janice MartinezAug 28, 2025
What to do if my Growatt MID 12KTL3-XH Inverter is showing Warning 219?
- A
  andrealewisAug 28, 2025
  If your Growatt Inverter displays Warning 219, restart the inverter. If the error message persists, please contact Growatt support.
E
Erik FowlerSep 12, 2025
What to do if Growatt MID 12KTL3-XH shows Warning 407?
- T
  Terry ZamoraSep 12, 2025
  If your Growatt Inverter displays Warning 407, try restarting the inverter. If the error message persists, please contact Growatt support.
M
Michael AndersonSep 4, 2025
How to resolve Error 303 on a Growatt MID 12KTL3-XH Inverter?
- E
  Eileen AllisonSep 5, 2025
  If your Growatt Inverter shows Error 303, check if the PE cable is securely connected. If the error message persists, please contact Growatt support.
C
Christopher WhiteheadSep 7, 2025
How to fix Warning 204 on a Growatt Inverter?
- M
  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.
M
Michael GarciaSep 12, 2025
How to fix Warning 306 on a Growatt Inverter?
- G
  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.
J
John HarrisAug 26, 2025
What should I do if my Growatt MID 12KTL3-XH Inverter is showing Error 201?
- J
  Jennifer ArmstrongAug 26, 2025
  If your Growatt Inverter displays Error 201, restart the inverter. If the error message persists, please contact Growatt support.
B
Briana HuffmanAug 26, 2025
How to fix Error 303 on a Growatt MID 12KTL3-XH Inverter?
- L
  lbondAug 26, 2025
  If your Growatt Inverter is showing Error 303, check if the PE cable is securely connected. If the error message persists, please contact Growatt support.
M
mark82Aug 25, 2025
What should I do if my Growatt MID 12KTL3-XH is showing Error 301?
- B
  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.
S
Sarah NashSep 4, 2025
How do I troubleshoot Warning 400 on my Growatt MID 12KTL3-XH?
- R
  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.