What you will see
- F12–F15 on humid days
- Short stops mid-day
Why it happens
Damp panels and cables leak current to earth; damaged insulation makes it worse.
Diagram
Leakage trips by level
Codes:
F12 30 mAF13 60 mAF14 150 mAF15 slow change
Occasional
Clears by itself.
Frequent
PV array insulation needs testing.
What you can check yourself
- Match the times to weather
What not to do
- Do not touch frames or cables during the fault
When to call us
- Insulation test
- Check earthing
Humid weeks
Leakage trips rise in the Punjab monsoon. Our Faisalabad and Lahore engineers test insulation to find the cause.
Send us
alarm history screenshots