Brand
Number of MPPT
Spare parts
Are you looking for reliable components to repair or maintain your inverter? Wattuneed offers a selection of spare parts, accessories and electronic components (control board, MPPT board, RS485/SNMP communication, fan, connectors) compatible with the main models.
To avoid mistakes, always identify the exact model (range + version) before ordering. If you are unsure about the part number, variant (voltage) or wiring, our support team can assist you.
Choose in 30 seconds
- Exact model: note the range and version of the inverter/converter before ordering.
- Part type: main board, MPPT board, communication module (RS485/SNMP), fan, connector.
- Compatibility: check the part number and ensure it matches (voltage/variant) your equipment.
- If in doubt: contact support to avoid ordering the wrong part or making a wiring error.
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Repairing and optimizing your solar installation
The heart of a resilient photovoltaic installation lies in the ability to maintain equipment in operational condition. At Wattuneed, we firmly believe that the sustainability of a solar system depends on repairability. Inverters and converters are precision electronic devices subjected to significant thermal and electrical stress. Rather than replacing an entire expensive device, purchasing specific spare parts allows for efficient and responsible refurbishment.
Why is preventive maintenance crucial?
A solar installation is a long-term investment. However, power electronics have a lifespan that can be reduced by environmental factors such as heat or dust.
- Thermal management: Fans are the primary wear parts. A failing fan causes premature wear of internal components due to overheating.
- Signal stability: Control boards manage synchronization with the grid. A minor failure can lead to a drop in yield.
- Circular economy: Replacing a board costs up to 80% less than a new inverter.
Technical Guide: How to choose the right component?
Identifying the part is the crucial step. To guarantee compatibility, here are the essential criteria analyzed by our technicians:
1. Hardware version
Within the same range (e.g., WKS Evo, Victron), manufacturers make revisions. A board may have several non-interchangeable versions (V1, V2). Always check the reference printed on the printed circuit board (PCB).
2. Nominal voltage and power
Ensure the part matches your battery bank's voltage: a component sized for 24V will never support a 48V voltage. Similarly, the power (kVA) must be identical to your original model.
Key components for your troubleshooting
Wattuneed stocks the most critical parts to minimize your production downtime:
- Motherboards and Power Boards: They handle DC/AC conversion. This is the main component of the device.
- Internal MPPT Controllers: They manage energy extraction from your panels. A failing MPPT is often recognized by zero charging despite bright sunshine.
- Communication modules: WiFi, RS485, or SNMP. Essential for remote monitoring.
Safety tips for installation
Any intervention presents risks of electrocution. Capacitors store energy even after disconnection. Wattuneed strictly recommends cutting off all sources (Grid, Panels, and Batteries) and waiting 10 minutes before any manipulation. If in doubt, contact our technical support with photos of your equipment.