What should I do if my SolaX Power Inverter displays 'BMS communication failure'?
- JJill AdkinsSep 23, 2025
If your SolaX Power Inverter displays 'BMS communication failure', check whether the communication between battery and inverter is normal.

What should I do if my SolaX Power Inverter displays 'BMS communication failure'?
If your SolaX Power Inverter displays 'BMS communication failure', check whether the communication between battery and inverter is normal.
What should I do if my SolaX Power X1-Hybrid-6.0-LV Inverter displays 'CT fault'?
If your SolaX Power Inverter displays 'CT fault', wait for a while to see if it returns to normal. Check whether CT works properly.
What should I do if my SolaX Power X1-Hybrid-6.0-LV displays 'External fan failure.'?
If your SolaX Power Inverter displays 'External fan failure', please check if the external fan is damaged or blocked.
What should I do if my SolaX Power Inverter displays 'BST2 software overcurrent'?
If your SolaX Power Inverter displays 'BST2 software overcurrent', wait for a while to see if it returns to normal.
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.
What to do if my SolaX Power Inverter displays 'PV connection configuration error'?
If your SolaX Power Inverter shows a 'PV connection configuration error', turn off the PV, battery, and power grid. Then, restart the inverter and confirm whether the PV connection is correct.
What should I check if my SolaX Power Inverter displays 'Battery voltage is too high'?
If your SolaX Power Inverter displays 'Battery voltage is too high', check whether the battery output voltage is within the normal range.
What to do if SolaX Power Inverter displays 'Frequency configuration mismatch'?
If your SolaX Power Inverter shows a 'Frequency configuration mismatch', check whether the frequency is within the correct range.
What to do if SolaX Power X1-Hybrid-6.0-LV Inverter displays 'PV1 reverse connection'?
If your SolaX Power Inverter indicates 'PV1 reverse connection', turn off the PV, battery, and power grid, restart the inverter, and check the connection status of the positive and negative poles of PV1.
What to do if SolaX Power Inverter displays 'PV2 reverse connection'?
If your SolaX Power Inverter indicates 'PV2 reverse connection', turn off the PV, battery, and power grid, restart the inverter, and check the connection status of the positive and negative poles of PV2.
| Brand | SolaX Power |
|---|---|
| Model | X1-Hybrid-6.0-LV |
| Category | Inverter |
| Language | English |
Provides critical safety guidelines and warnings to prevent injury, death, and equipment damage during installation and operation.
Details the specifications for the DC input parameters of the inverter, including voltage and current limits for PV modules.
Specifies AC input and output electrical data, including current, power, voltage, frequency, and power factor.
Details the specifications for the Emergency Power Supply (EPS) output, including power, current, and switch time.
Lists battery-related specifications such as battery type, voltage range, nominal voltage, and charging strategy.
Outlines the built-in protection features of the inverter, such as anti-islanding and over-voltage protection.
Highlights important precautions for installing the inverter, including environmental conditions and material restrictions.
Explains how to connect photovoltaic modules to the inverter, including voltage and connection mode requirements.
Details how to connect the inverter to the grid, generator, and EPS load, including breaker requirements.
Covers requirements and steps for connecting low voltage lithium and lead-acid batteries to the inverter.
Defines communication ports and their functions, including COM, BMS, DRM, and parallel connection ports.
Describes how to connect multiple inverters in parallel for increased system capacity, up to 10 units.
Details the mandatory shell grounding connection procedure to prevent electric shock.
Outlines the steps for turning on and starting the inverter after all checks are completed.
Provides a guide to diagnose and resolve common inverter faults and error messages with suggested solutions.











