What you will see
- ARC-FAULT and the inverter stops
- Burn marks on connectors
Why it happens
Loose or damaged DC connections heat and spark.
Diagram
Repair first, then restart
Good connection
ConnectorTight, dry
→InverterRunning
Loose or burnt
ConnectorArcing
→InverterARC-FAULT
What you can check yourself
- Look for burn marks from a safe distance
What not to do
- Do not touch DC connectors
- Do not ask for arc settings to be relaxed to hide it
When to call us
- Inspect and replace connectors
- Restart after repair
Connector inspections
We inspect DC connectors on Solis systems in Faisalabad, Lahore and across Punjab.
Send us
alarm and photos of any marks