To Next PageTo Next PageWhat 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.
What to do if my Growatt MID 12KTL3-XH displays Error 309?
If your Growatt Inverter shows Error 309, check the grid frequency and restart the inverter. If the error message persists, please contact Growatt support.
How do I troubleshoot Warning 400 on my Growatt MID 12KTL3-XH?
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.
How to fix Warning 204 on a Growatt Inverter?
If your Growatt Inverter is showing Warning 204, after shutdown, check the dry contact wiring. If the error message persists, please contact Growatt support.
What causes Warning 203 on a Growatt Inverter?
If your Growatt Inverter is displaying Warning 203, check if the PV1 or PV2 wiring is short-circuited. If the error message persists, please contact Growatt support.
How to troubleshoot Warning 406 on my Growatt MID 12KTL3-XH?
If your Growatt Inverter displays Warning 406, try restarting the inverter. If the error message persists, please contact Growatt support.
What to do if Growatt MID 12KTL3-XH shows Warning 202?
If your Growatt Inverter is showing Warning 202, after shutdown, check the DC SPD. If the error message persists, please contact Growatt support.
How to fix Warning 201 on a Growatt MID 12KTL3-XH Inverter?
If your Growatt Inverter shows Warning 201, after shutdown, check the string terminal wiring. If the error message persists, please contact Growatt support.
What to do if Growatt Inverter is showing Warning 404?
If your Growatt Inverter displays Warning 404, try restarting the inverter. If the error message persists, please contact Growatt support.
How to resolve Error 303 on a Growatt MID 12KTL3-XH Inverter?
If your Growatt Inverter shows Error 303, check if the PE cable is securely connected. 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