What you will see
- F140, F143 or F144
- Consumption wrong in SEMS
- Export limit not working (F110)
Why it happens
Meter not connected, communication wiring wrong, or CT clipped the wrong way.
Diagram
The inverter needs to see the house
Linked
Meter / CTReading
→InverterKnows the load
Lost or reversed
Meter / CTF140 / F143 / F144
→Export limitWrong
What you can check yourself
- Check the meter display is on
- Note recent meter or board work
What not to do
- Do not open the meter box or move the CT
When to call us
- Check meter wiring
- Correct CT direction
After a meter change
This often follows a FESCO or LESCO meter replacement. We recheck the meter and CT.
Send us
SEMS power flow screenshot and alarm