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Erik FowlerSep 12, 2025
What to do if Growatt MID 12KTL3-XH shows Warning 407?
- TTerry ZamoraSep 12, 2025
If your Growatt Inverter displays Warning 407, try restarting the inverter. If the error message persists, please contact Growatt support.
To Next PageTo Next PageWhat to do if Growatt MID 12KTL3-XH shows Warning 407?
If your Growatt Inverter displays Warning 407, try restarting the inverter. If the error message persists, please contact Growatt support.
How to resolve Warning 309 on a Growatt MID 12KTL3-XH Inverter?
To address Warning 309 on your Growatt Inverter, check the L line and N line of the Meter is reversed or not. If the error message persists, please contact Growatt support.
What should I do if my Growatt MID 12KTL3-XH displays Warning 402?
If your Growatt Inverter shows Warning 402, check if the optimizer is on and whether the connection between the optimizer and the inverter is normal.
How do I resolve Error 305 on my Growatt Inverter?
If your Growatt Inverter is showing Error 305, check whether the output load is out of range and reduce the load if necessary. If the error message persists, please contact Growatt support.
What to do if my Growatt MID 12KTL3-XH Inverter displays Error 300?
If your Growatt Inverter shows Error 300, check the grid voltage. If the error persists when the grid voltage is within the permissible range, contact Growatt support.
What should I do if my Growatt MID 12KTL3-XH is showing Error 301?
If your Growatt Inverter displays Error 301, check the AC terminals. If the error message continues, contact Growatt support for further assistance.
How to fix Error 303 on a Growatt MID 12KTL3-XH Inverter?
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.
What should I do if my Growatt MID 12KTL3-XH Inverter is showing Error 201?
If your Growatt Inverter displays Error 201, restart the inverter. If the error message persists, please contact Growatt support.
What to do if my Growatt MID 12KTL3-XH is showing Error 302?
If your Growatt Inverter displays Error 302, after shutdown, check the AC wiring. If the error message persists, please contact Growatt support.
How do I resolve Error 307 on my Growatt MID 12KTL3-XH Inverter?
If your Growatt Inverter displays Error 307, check the connection of the communication cable. If the error message persists, please contact Growatt support.
Specifies the required qualifications for individuals performing installation and maintenance.
Provides general and specific warnings for installation, electrical connection, and operation.
Details essential criteria for mounting location, environment, and clearances.
Covers the process of installing the wall-mounting bracket and the inverter itself.
General safety measures and warnings before and during electrical connections.
Instructions for connecting the AC output cable, including cable specifications and breaker requirements.
Guidelines for connecting PV modules to the inverter's DC input terminals, including polarity and voltage limits.
Step-by-step guide for safely starting up the inverter.
Procedures for safely shutting down the inverter and its components.
Lists common error messages and required information for Growatt support.
Provides troubleshooting steps for various system warnings and error codes.
Details specific system errors, their descriptions, and recommended troubleshooting actions.
General