What you will see
- Will not start after rain
- IsoFault or ISO_FAIL
Why it happens
Wet connectors, cracked cable or rodent damage.
Diagram
Damp morning, weak insulation
Dry day
Panels and cablesWell insulated
→InverterStarts
After rain or fog
Wet connector or cracked cableLeaks to earth
→InverterIsoFault
If it stays on dry days, there is damage to find.
What you can check yourself
- Note whether it only happens in wet weather
What not to do
- Do not unplug connectors
When to call us
- Insulation test strings
- Repair damaged cable
Monsoon
Insulation faults rise in the Punjab monsoon. We test Fronus strings to find the cause.
Send us
alarm photos with weather