What you will see

  • Error 200 and the inverter stops
  • Brown or melted connector marks
  • Error 425 at start-up

Why it happens

A poor contact in a DC connector heats and sparks. Mixed connector brands, water and rodents are common causes.

Diagram

Repair first, then restart

Good connection

ConnectorTight, dry
→
InverterRunning

Loose or burnt

ConnectorSparking
→
InverterError 200, stopped

Error 425 means the arc detector's own self-test failed.

Growatt models with AFCI.

What you can check yourself

  • From a safe distance, look for burn marks on visible cables

What not to do

  • Do not touch or unplug DC connectors
  • Do not restart repeatedly

When to call us

  • Make DC safe and inspect every connector
  • Replace damaged parts with matching connectors
  • Raise a warranty case for Error 425

Connector inspections

We inspect and replace damaged DC connectors on Growatt systems in Faisalabad, Lahore and across Punjab.

Send us

the alarm photo and photos of any marks