What you will see
- Fault on cold mornings
Why it happens
Too many panels in series.
Diagram
Cold mornings raise string voltage
Summer noonSpring morningCold winter morning
Illustration. 33 / 36: fewer panels in series.
What you can check yourself
- Note recent panel changes
What not to do
- Do not add panels yourself
When to call us
- Re-string with fewer panels
Winter mornings
We check SAJ strings for winter.
Send us
alarm, panel model and panels per string