Victron VRM Portal Remote Firmware Update Guide
Updated 6 September 2026 · By SolarNevs Research Desk, Dealer surveys + verified sources · 1 source · Method ↗
Key Takeaways
- Remote firmware updates require your Victron device to be connected to a GX device and an active internet connection.
- Not all Victron devices or configurations support remote firmware updates; check the compatibility list.
- Only update firmware if you are experiencing problems or require new features, as "newer is not always better."
- A failed update on a VE.Direct connected MPPT Solar Charge Controller may result in the loss of its configuration.
How do I remotely update Victron device firmware via the VRM Portal?
You can update the firmware of many Victron Energy products remotely through the VRM Portal. This process requires your device to be connected to a GX device, such as a Cerbo GX, and for your system to have an active internet connection communicating with the VRM Portal.
Diagnosis and Update Process
Follow these steps to diagnose issues and perform a remote firmware update for your Victron Energy devices.
- Verify GX Device Connection: Ensure the Victron device you intend to update is connected to a GX device (e.g., Cerbo GX). This connection is mandatory for remote firmware updates.
- Check Internet Connectivity: Confirm that your GX device and the overall system have a stable internet connection and are actively communicating with the VRM Portal. Remote updates cannot proceed without this.
- Confirm VRM Portal Access Setting: On your GX device, navigate to
Settings->VRM Online Portal->VRM Portal. The access setting must be enabled for "Full". If your GX device firmware is prior to v3.50, the required setting is "Two way communication". - Identify Supported Devices: Not all Victron devices can be updated remotely. Check if your specific device model is listed as supported:
- MPPT Solar Charge Controllers (VE.Direct and VE.Can)
- BMV Battery Monitors (VE.Direct)
- SmartShunts (VE.Direct)
- Inverter VE.Direct
- Smart IP43 Charger
- Orion XS
- Skylla-i battery chargers (VE.Can)
- Inverter RS (VE.Can)
- Multi RS (VE.Can)
- MPPT RS (VE.Can)
- Lynx Smart BMS (VE.Can)
- Victron Energy Multis (VE.Bus)
- Quattros (VE.Bus)
- Other VE.Bus-connected Inverter/chargers
- VE.Bus BMS V2
- Lynx Ion BMS 150A, 400A, 600A, 1000A model
- Note: BMVs connected via a CANbus interface cannot be updated remotely. Lynx Ion (product-id 0x0142) and Lynx Ion + Shunt 350 & 600A (product-id 0xA130) are not supported for remote updates.
- Access VRM Portal: Log in to the VRM Portal from a laptop, tablet, or phone. No special software installation is needed.
- Check for Available Updates: The VRM Portal will indicate if newer firmware is available for your connected devices. You do not need to find or upload firmware files yourself, as the portal has all the latest versions.
- Initiate Update: Follow the on-screen prompts within the VRM Portal to start the firmware update process for the desired device.
- Monitor Update Progress: Keep an eye on the update status. For Lynx BMS updates, ensure the GX device is powered on the 'Aux-power output', as this is the only port that remains powered during the update.
- Troubleshoot Failed Updates: If an update fails, refer to the error codes and fault modes section below. For Lynx BMS, if the update fails, it will go into sleep mode after 5 minutes, requiring a manual push of the start button to retry.
Cause/fix table section
Symptom detail | Likely cause | Fix |
|---|---|---|
Error 1341: Not updatable | Device is not a Victron product. | Confirm the device is a genuine Victron Energy product. |
Error 1343: Not updatable: Blacklisted | The product is explicitly not supported for remote updates. | Refer to the limitations chapter in the manual; remote update is not possible for this device. |
VE.Direct connected MPPT Solar Charger loses configuration after failed update | Intermittent internet connection or update failure. | Reconfigure the MPPT Solar Charger settings manually after the update attempt. |
BMV connected via CANbus interface cannot be updated | Incompatibility with CANbus interface for firmware updates. | Remote firmware update is not possible for this configuration. |
Lynx Ion (product-id 0x0142) or Lynx Ion + Shunt 350 & 600A (product-id 0xA130) cannot be updated remotely | Product is not supported for remote firmware updates. | Remote firmware update is not possible for these specific Lynx Ion models. |
Lynx BMS goes to sleep mode after 5 minutes if update fails | Update process exceeded the 5-minute window or failed. | Push the start button on the Lynx BMS to wake it up and retry the update within 5 minutes. |
Firmware Update Considerations
Remote firmware updates are a convenient way to keep your Victron Energy system optimized. The VRM Portal simplifies the process by identifying available updates and providing the correct firmware files.
- Prerequisites: A functional GX device (e.g., Cerbo GX) and a stable internet connection are essential. The GX device's VRM Portal access setting must be configured for "Full" access (or "Two way communication" for older firmware versions).
- Supported Devices: The VRM Portal supports a wide range of Victron products for remote updates, including various MPPTs, BMVs, SmartShunts, Inverters, Multi/Quattro units, and certain Lynx BMS models. Always verify your specific model's compatibility.
- Manual File Upload: While the VRM Portal typically provides firmware files automatically, there are instances where you might need to upload a file from your computer. This is sometimes necessary for specific devices like certain Lynx Ion BMS models if the file is not readily available on the portal.
- Change Logs: For detailed information on firmware changes and improvements, you can consult the change logs available on the Victron Professional website.
Safety: Important Considerations for Firmware Updates
Updating firmware can impact system operation. Always proceed with caution.
- "Newer is not always better": Victron Energy advises against updating a perfectly functional system unless there are specific problems or a need for new features. Unnecessary updates can introduce unforeseen issues.
- System Disruption: Be aware that some updates, particularly for devices like the Lynx BMS, will cause temporary system disruption. During a Lynx BMS update, the main contactor and allow-to-charge/discharge signals will disconnect. This will switch off connected Multis and other loads. The system will restart and restore normal operation once the update is complete. Plan updates for times when system downtime is acceptable.
When to call a technician instead
While remote firmware updates are designed to be user-friendly, there are situations where professional assistance is recommended:
- Persistent Errors: If you encounter repeated error codes (e.g., 1341, 1343) that indicate the device is not updatable or blacklisted, and you have confirmed all prerequisites, a technician may be needed to diagnose deeper compatibility issues.
- System Instability After Update: If your system becomes unstable or exhibits unexpected behavior immediately after a firmware update, and basic troubleshooting does not resolve the issue, contact a qualified Victron Energy technician.
- Uncertainty with Critical Systems: For complex or critical installations where any downtime or misconfiguration could have significant consequences, it is always safer to have a certified technician perform or supervise firmware updates.
- Physical Connection Issues: If you suspect a problem with the physical connection between your device and the GX device, or with the GX device's internet connectivity, a technician can perform on-site diagnostics.
Frequently asked questions
What is the Victron VRM Portal remote firmware update?
It allows you to update the firmware of internet-connected Victron Energy products directly from the VRM Portal without needing to install additional software. The VRM Portal provides all the latest firmware files.
Which Victron devices can be updated remotely via VRM?
Many devices connected to a GX device can be updated, including MPPT Solar Charge Controllers, BMV Battery Monitors, SmartShunts, Inverters, and various Multi/Quattro models. Refer to the supported models list for specifics.
What do I need to perform a remote firmware update?
Your device must be connected to a GX device (such as a Cerbo GX) and your system must have an active internet connection communicating with the VRM Portal. The GX device's VRM Portal access setting must be enabled for 'Full' or 'Two way communication'.
Is it always recommended to update firmware?
Victron advises caution, stating 'Newer is not always better. Don't break it if it works.' Only update a running system if you are experiencing problems or need specific new features. Use this feature with care.
What happens if a Lynx BMS is updated remotely?
During a Lynx BMS update, the main contactor and allow-to-charge/discharge signals will disconnect, causing connected Multis and loads to switch off. The Lynx BMS will restart and restore everything once the update is completed.
References
- Victron VRM Portal Remote Firmware Update Guide — accessed 23 August 2026
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