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Laura DiazSep 23, 2025
What to do if Vacon Inverter shows Input Switch in wrong state?
- DDavid HuertaSep 23, 2025
If your Vacon Inverter indicates that the Input Switch is in the wrong state, check the input Switch.
What to do if Vacon Inverter shows Input Switch in wrong state?
If your Vacon Inverter indicates that the Input Switch is in the wrong state, check the input Switch.
What does 'Safe disable' mean on a Vacon Inverter and how to fix it?
The 'Safe disable' message on a Vacon Inverter indicates that the OPTAF board input has been opened. Cancel Safe Disable if this can be done safely.
How to troubleshoot overcurrent or overvoltage on a Vacon Inverter?
If your Vacon Inverter is showing an overcurrent or overvoltage error, it means the AFE has detected too high a current in the cables or the DC-link voltage has exceeded the drive limit, possibly due to high overvoltage spikes in the supply. Check the input voltage.
Why does my Vacon Inverter show an input phase supervision fault?
An input phase supervision fault on your Vacon Inverter indicates a missing input line phase. Check the supply voltage, fuses, and cable.
What causes a 'Line Sync Fail' on a Vacon Inverter?
A 'Line Sync Fail' on your Vacon Inverter indicates a missing input line phase. To resolve this, check the supply voltage, fuses, and cable.
What to do if a Vacon Inverter reports an earth fault?
If your Vacon Inverter is reporting an earth fault, it means the current measurement has detected that the sum of phase currents is not zero, likely due to insulation failure in the cables. Check the cables.
What causes IGBT temperature (hardware) fault on Vacon Inverter?
An IGBT temperature (hardware) fault on your Vacon Inverter indicates that the IGBT Inverter Bridge overtemperature protection has detected too high a short term overload current. Check the loading.
What does IGBT temperature (hardware) fault mean on a Vacon Inverter?
An IGBT temperature (hardware) fault on your Vacon Inverter indicates that the IGBT Inverter Bridge overtemperature protection has detected too high a short term overload current. Check the loading.
What to do if the Vacon Inverter displays a charging switch fault?
If the Vacon Inverter displays a charging switch fault, it means the charging switch is open when the START command has been given, possibly due to faulty operation or component failure. Reset the fault and restart. Should the fault re-occur, contact your local distributor.
What should I do if my Vacon Inverter shows a system fault?
If your Vacon Inverter displays a system fault, it could be due to component failure or faulty operation. Try to reset the fault and restart the Inverter. If the fault re-occurs, contact your local distributor.
Symbols used for safety and damage warnings in the manual.
Marks and symbols on the product and their meanings.
Essential safety guidelines for inverter installation and operation.
Proper earthing and earth fault protection requirements and methods.
Specifications for Vacon 8000 Solar models: power, dimensions, efficiency.
Detailed technical parameters: input/output, environment, protection, and communications.
Procedures for mounting and securing the inverter cabinet.
Overview of electrical schematics for various Vacon 8000 Solar inverter models.
Instructions for connecting cables, including earth and mains connections.
Steps and diagrams for connecting the inverter to the mains power supply.
Instructions for connecting solar panel cables to the inverter's DC input.
Details on connecting control signals and option boards to the inverter.
Guide to identifying and resolving common faults and alarms for the inverter.
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