How do I fix 'Communication fault M3 didn't receive SP-CT data' on my Growatt MID 15KTL3-X Inverter?
If your Growatt Inverter displays 'Communication fault M3 didn't receive SP-CT data', check the communication wire. If the error message persists, it is recommended to contact the manufacturer.
What to do if my Growatt MID 15KTL3-X displays 'No Utility'?
If your Growatt Inverter shows 'No Utility', first confirm if the grid is lost or not. If the error message persists, it is recommended to contact the manufacturer.
How to troubleshoot a 'No AC Connection' error on a Growatt MID 15KTL3-X?
If your Growatt Inverter shows 'No AC Connection', first shutdown the system and check the AC wiring. If the error message persists, it is recommended to contact the manufacturer.
What causes 'AC V Outrange' on a Growatt MID 15KTL3-X Inverter and how do I fix it?
If your Growatt Inverter indicates 'AC V Outrange', begin by checking the grid voltage. If the error message continues to appear even when the grid voltage is within the tolerable range, contact the manufacturer.
What should I do if my Growatt Inverter shows a 'Grid frequency outrange' error?
If your Growatt Inverter displays 'Grid frequency outrange', check if the frequency is within the specified range. If the error message persists, it is recommended to contact the manufacturer.
How to fix a 'PE abnormal' error on a Growatt MID 15KTL3-X Inverter?
If your Growatt Inverter displays 'PE abnormal', check the PE line to ensure it is making good contact. If the error message persists, contact the manufacturer.
What happens if the DC input voltage exceeds the maximum on a Growatt MID 15KTL3-X?
If your Growatt Inverter indicates that 'The DC input voltage is exceeding the maximum tolerable value', immediately disconnect the DC switch and check the voltage. If the fault code persists after the normal voltage is restored, contact the manufacturer.
How to fix 'String PID quick connect terminal detection error' on Growatt MID 15KTL3-X Inverter?
If your Growatt Inverter displays 'String PID quick connect terminal detection error', after shutdown, check the string terminal wiring. If the error message persists, it is recommended to contact the manufacturer.
What to do if Growatt MID 15KTL3-X Inverter reports 'Fan function abnormal'?
If your Growatt Inverter displays 'Fan function abnormal', after shutdown, check the fan connection and replace the fan. If the error message persists, it is recommended to contact the manufacturer.
How to troubleshoot a 'Communication fault' on a Growatt MID 15KTL3-X?
If your Growatt Inverter displays 'Communication fault', check the communication wire. If the error message persists, it is recommended to contact the manufacturer.
Manual scope and product models covered.
Identifies intended audience for the manual.
Location for further documentation and liability disclaimer.
Introduces the manual's purpose for Growatt PV inverters.
Specifies qualified personnel for installation and troubleshooting.
Describes the function and connectivity of Growatt PV inverters.
Lists the key characteristics and specifications of the inverter.
Provides critical safety guidelines and warnings for installation and operation.
Explains the meaning of safety symbols used in the manual.
Details the physical components and ports of the inverter.
Provides physical dimensions and weight specifications of the inverter.
Specifies optimal conditions for storing the inverter.
Procedure for checking the inverter and its accessories after unpacking.
Lists essential criteria for inverter installation location and environment.
Details the procedure for mounting the inverter on a wall.
Step-by-step guide for physically attaching the inverter to the wall mount.
Critical safety precautions before and during inverter wiring.
Instructions for connecting the AC power cables to the inverter.
Detailed steps for connecting the DC input from PV modules to the inverter.
Guide for establishing communication connections via the signal port.
Step-by-step procedure for debugging the inverter and verifying its operation.
Describes the inverter's typical operational state and conditions.
Explains how the inverter indicates and behaves during system failures.
Details the inverter's behavior when stopping operation due to low light or no sunlight.
Information displayed on the OLED screen upon inverter startup.
Guide to configuring general inverter parameters via the touch interface.
How to reactivate the OLED display after it automatically turns off.
Explains the functions triggered by different touch gestures on the panel.
Details the RS485 communication ports and pin functions for monitoring.
Explains the DRM communication function and its pin assignments.
Describes the use of the USB-A port for monitoring modules or firmware updates.
Steps to safely power on and start the inverter.
Procedures for safely powering off the inverter.
Detailed steps for cleaning or replacing the inverter's cooling fan.
Information needed when contacting support for error messages.
Lists warning and error codes, fault descriptions, and suggested actions.
Technical specifications for various inverter models.
Specifies torque values for different screws and terminals.
Lists available product attachments and their brief descriptions.
Growatt service hotline and required information for technical support.
General| Model | MID 15KTL3-X |
|---|---|
| Type | String Inverter |
| Max. DC Input Power | 22.5 kW |
| Max DC Input Voltage | 1100 V |
| Start Voltage | 200 V |
| Nominal DC Voltage | 600 V |
| Number of MPPT | 2 |
| Nominal AC Power | 15 kW |
| THDi | < 3% |
| THD | < 3% |
| DC Switch | Yes |
| Operating Temperature Range | -25 °C to +60 °C |
| Ingress Protection | IP65 |
| Topology | Transformerless |
| Protection Level | IP65 |
| Rated Power | 15000W |
| Input Voltage Range | 200 V - 1000 V |
| Max. AC Apparent Power | 16500VA |
| Rated Output Power | 15000W |
| AC Voltage Range | 180 V - 280 V |
| Nominal Grid Frequency | 50 Hz / 60 Hz |
| AC Frequency Range | 45 Hz - 55 Hz / 55 Hz - 65 Hz |
| Protection Class | Class I |
| Communication | RS485 |
| Cooling Method | Natural Cooling |
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