How to troubleshoot 'Internal fan failed' on my SolaX Power X1-Hybrid-5.0-LV?
- JJackson MyersAug 27, 2025
If the 'Internal fan failed' message appears on your SolaX Power Inverter, check whether there is any foreign matter inside the fan.

How to troubleshoot 'Internal fan failed' on my SolaX Power X1-Hybrid-5.0-LV?
If the 'Internal fan failed' message appears on your SolaX Power Inverter, check whether there is any foreign matter inside the fan.
How to troubleshoot 'External fan failed' on my SolaX Power X1-Hybrid-5.0-LV?
If the 'External fan failed' message appears on your SolaX Power Inverter, check whether there is any foreign matter inside the fan.
What to do if my SolaX Power Inverter displays 'Battery type configuration error'?
If your SolaX Power Inverter displays 'Battery type configuration error', turn off the PV, battery, and power grid, restart the inverter, and confirm whether the battery type is correct.
What to do if SolaX Power X1-Hybrid-5.0-LV Inverter shows '1.1 times overload'?
If your SolaX Power Inverter displays '1.1 times overload', turn off any high-power load connected to the inverter.
What to do if SolaX Power Inverter shows '1.2 times overload'?
If your SolaX Power Inverter displays '1.2 times overload', turn off any high-power load connected to the inverter.
What to do if my SolaX Power X1-Hybrid-5.0-LV Inverter displays 'Startup state failed'?
If your SolaX Power Inverter displays 'Startup state failed', wait for a while to see if it returns to normal operation.
What to do if SolaX Power Inverter displays 'BUCKBST configuration mode error'?
If your SolaX Power Inverter displays 'BUCKBST configuration mode error', check whether the configuration mode of BUCKBST is correct.
What to do if SolaX Power X1-Hybrid-5.0-LV Inverter displays 'PV1 Voltage is too high'?
If your SolaX Power Inverter displays 'PV1 Voltage is too high', check the output voltage of PV1.
What to do if SolaX Power Inverter displays 'PV2 Voltage is too high'?
If your SolaX Power Inverter displays 'PV2 Voltage is too high', check the output voltage of PV2.
What to do if my SolaX Power Inverter shows 'Overload self-locking'?
If your SolaX Power Inverter displays an 'Overload self-locking' error, turn off high-power load, PV, battery and power grid, and restart the inverter.
| Max Efficiency | 97.6% |
|---|---|
| Battery Voltage | 48 V |
| Start Voltage | 120V |
| MPPT Voltage Range | 120 V - 550 V |
| Number of MPPTs | 2 |
| Nominal Output Voltage | 230 V |
| Rated AC Voltage | 230 V |
| AC Voltage Range | 180-280V |
| MPPT Range | 120 V - 550 V |
| Max. DC Input Current per MPPT | 11 A |
| Protection Degree | IP65 |
| Rated Power | 5000W |
| Battery Compatibility | Lithium-ion battery |
| Max. Discharging Power | 5000W |
| Max. DC Input Power | 6500W |
| Max. Output Power | 5000VA |
| AC Output Power | 5000W |
| Max. AC Output Power | 5000VA |
| AC Frequency | 50/60 Hz |
| Max. DC Input Power (Alternative) | 6500W |
| Operating Temperature Range | -25°C to 60°C |
| Cooling Method | Natural Convection |
| Communication | RS485, Ethernet, WiFi |
| Max. Charging Power | 5000W |
Covers critical safety warnings regarding high voltages, hot surfaces, radiation, grounding, and electric shock.
Details the necessity and types of surge protection for PV systems.
Explains the role of RCM, trip thresholds, and RCD Type B recommendations.
Provides guidelines for pairing the inverter with high voltage batteries.
Details essential precautions for safe and effective inverter installation.
Step-by-step instructions for physically mounting the inverter onto its bracket.
Details how to connect photovoltaic panels to the inverter's inputs.
Explains connections to the grid, generator, and EPS output.
Specifies power and operational requirements for loads connected to the EPS output.
Provides step-by-step instructions for wiring Grid, GEN, and EPS cables.
Guides on connecting the battery system to the inverter.
Outlines prerequisites and safety measures for battery connection.
Step-by-step procedure for connecting battery cables.
Covers various communication port definitions and connections.
Identifies and describes the function of each communication port.
Explains how to connect current sensors (CT) and electric meters.
Details connections for BMS, DRM, and COM ports.
Specifies pinouts and connection for the Battery Management System (BMS) port.
Explains the COM port's use for monitoring and external equipment control.
Describes how to connect multiple inverters in parallel.
Shows the setup for connecting up to 10 inverters in parallel.
Explains the critical steps for performing a proper ground connection.
Detailed procedure for connecting the ground wire for safety.
Describes how to connect monitoring accessories like WiFi, LAN, and 4G dongles.
A checklist of pre-operation checks before starting the inverter.
Instructions on how to safely start and operate the inverter.
Detailed steps for powering on and initiating the inverter's operation.
Lists specific faults, their diagnoses, and suggested solutions for various error types.











