What you will see
- F42 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
TerminalTight
→InverterRunning
Loose or damaged
TerminalArcing
→InverterF42
F34 means the arc detector's self-test failed.
What you can check yourself
- Look for burn marks from a distance
What not to do
- Do not touch DC connectors
When to call us
- Inspect and tighten or replace connectors
- Raise warranty for F34
Connector inspections
We inspect DC connectors on GoodWe systems in Faisalabad, Lahore and across Punjab.
Send us
alarm and photos of any marks